21661043085

素因数分解:

$3^9\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 240

約数和(自身を含む): 45800935488

約数和(自身を除く): 24139892403

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 81, 85, 99, 107, 121, 135, 153, 165, 187, 243, 255, 297, 321, 363, 405, 459, 495, 535, 561, 605, 729, 765, 891, 935, 963, 1089, 1177, 1215, 1377, 1485, 1605, 1683, 1815, 1819, 2057, 2187, 2295, 2673, 2805, 2889, 3267, 3531, 3645, 4131, 4455, 4815, 5049, 5445, 5457, 5885, 6171, 6561, 6885, 8019, 8415, 8667, 9095, 9801, 10285, 10593, 10935, 12393, 12947, 13365, 14445, 15147, 16335, 16371, 17655, 18513, 19683, 20009, 20655, 24057, 25245, 26001, 27285, 29403, 30855, 31779, 32805, 37179, 38841, 40095, 43335, 45441, 49005, 49113, 52965, 55539, 60027, 61965, 64735, 72171, 75735, 78003, 81855, 88209, 92565, 95337, 98415, 100045, 111537, 116523, 120285, 130005, 136323, 147015, 147339, 158895, 166617, 180081, 185895, 194205, 216513, 220099, 227205, 234009, 245565, 264627, 277695, 286011, 300135, 334611, 349569, 360855, 390015, 408969, 441045, 442017, 476685, 499851, 540243, 557685, 582615, 660297, 681615, 702027, 736695, 793881, 833085, 858033, 900405, 1048707, 1082565, 1100495, 1170045, 1226907, 1323135, 1326051, 1430055, 1499553, 1620729, 1673055, 1747845, 1980891, 2044845, 2106081, 2210085, 2381643, 2499255, 2574099, 2701215, 3146121, 3301485, 3510135, 3680721, 3969405, 3978153, 4290165, 4498659, 4862187, 5243535, 5942673, 6134535, 6630255, 7497765, 7722297, 8103645, 9438363, 9904455, 10530405, 11908215, 11934459, 12870495, 13495977, 14586561, 15730605, 17828019, 18403605, 19890765, 22493295, 23166891, 24310935, 28315089, 29713365, 35803377, 38611485, 40487931, 43759683, 47191815, 53484057, 59672295, 67479885, 72932805, 84945267, 89140095, 115834455, 131279049, 141575445, 160452171, 179016885, 202439655, 218798415, 254835801, 267420285, 393837147, 424726335, 481356513, 656395245, 802260855, 1274179005, 1444069539, 1969185735, 2406782565, 4332208617, 7220347695, 21661043085]

約数ペア:

[(1, 21661043085), (3, 7220347695), (5, 4332208617), (9, 2406782565), (11, 1969185735), (15, 1444069539), (17, 1274179005), (27, 802260855), (33, 656395245), (45, 481356513), (51, 424726335), (55, 393837147), (81, 267420285), (85, 254835801), (99, 218798415), (107, 202439655), (121, 179016885), (135, 160452171), (153, 141575445), (165, 131279049), (187, 115834455), (243, 89140095), (255, 84945267), (297, 72932805), (321, 67479885), (363, 59672295), (405, 53484057), (459, 47191815), (495, 43759683), (535, 40487931), (561, 38611485), (605, 35803377), (729, 29713365), (765, 28315089), (891, 24310935), (935, 23166891), (963, 22493295), (1089, 19890765), (1177, 18403605), (1215, 17828019), (1377, 15730605), (1485, 14586561), (1605, 13495977), (1683, 12870495), (1815, 11934459), (1819, 11908215), (2057, 10530405), (2187, 9904455), (2295, 9438363), (2673, 8103645), (2805, 7722297), (2889, 7497765), (3267, 6630255), (3531, 6134535), (3645, 5942673), (4131, 5243535), (4455, 4862187), (4815, 4498659), (5049, 4290165), (5445, 3978153), (5457, 3969405), (5885, 3680721), (6171, 3510135), (6561, 3301485), (6885, 3146121), (8019, 2701215), (8415, 2574099), (8667, 2499255), (9095, 2381643), (9801, 2210085), (10285, 2106081), (10593, 2044845), (10935, 1980891), (12393, 1747845), (12947, 1673055), (13365, 1620729), (14445, 1499553), (15147, 1430055), (16335, 1326051), (16371, 1323135), (17655, 1226907), (18513, 1170045), (19683, 1100495), (20009, 1082565), (20655, 1048707), (24057, 900405), (25245, 858033), (26001, 833085), (27285, 793881), (29403, 736695), (30855, 702027), (31779, 681615), (32805, 660297), (37179, 582615), (38841, 557685), (40095, 540243), (43335, 499851), (45441, 476685), (49005, 442017), (49113, 441045), (52965, 408969), (55539, 390015), (60027, 360855), (61965, 349569), (64735, 334611), (72171, 300135), (75735, 286011), (78003, 277695), (81855, 264627), (88209, 245565), (92565, 234009), (95337, 227205), (98415, 220099), (100045, 216513), (111537, 194205), (116523, 185895), (120285, 180081), (130005, 166617), (136323, 158895), (147015, 147339)]