21879360

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 168

約数和(自身を含む): 77029056

約数和(自身を除く): 55149696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 107, 120, 142, 144, 160, 180, 192, 213, 214, 240, 284, 288, 320, 321, 355, 360, 426, 428, 480, 535, 568, 576, 639, 642, 710, 720, 852, 856, 960, 963, 1065, 1070, 1136, 1278, 1284, 1420, 1440, 1605, 1704, 1712, 1926, 2130, 2140, 2272, 2556, 2568, 2840, 2880, 3195, 3210, 3408, 3424, 3852, 4260, 4280, 4544, 4815, 5112, 5136, 5680, 6390, 6420, 6816, 6848, 7597, 7704, 8520, 8560, 9630, 10224, 10272, 11360, 12780, 12840, 13632, 15194, 15408, 17040, 17120, 19260, 20448, 20544, 22720, 22791, 25560, 25680, 30388, 30816, 34080, 34240, 37985, 38520, 40896, 45582, 51120, 51360, 60776, 61632, 68160, 68373, 75970, 77040, 91164, 102240, 102720, 113955, 121552, 136746, 151940, 154080, 182328, 204480, 227910, 243104, 273492, 303880, 308160, 341865, 364656, 455820, 486208, 546984, 607760, 683730, 729312, 911640, 1093968, 1215520, 1367460, 1458624, 1823280, 2187936, 2431040, 2734920, 3646560, 4375872, 5469840, 7293120, 10939680, 21879360]

約数ペア:

[(1, 21879360), (2, 10939680), (3, 7293120), (4, 5469840), (5, 4375872), (6, 3646560), (8, 2734920), (9, 2431040), (10, 2187936), (12, 1823280), (15, 1458624), (16, 1367460), (18, 1215520), (20, 1093968), (24, 911640), (30, 729312), (32, 683730), (36, 607760), (40, 546984), (45, 486208), (48, 455820), (60, 364656), (64, 341865), (71, 308160), (72, 303880), (80, 273492), (90, 243104), (96, 227910), (107, 204480), (120, 182328), (142, 154080), (144, 151940), (160, 136746), (180, 121552), (192, 113955), (213, 102720), (214, 102240), (240, 91164), (284, 77040), (288, 75970), (320, 68373), (321, 68160), (355, 61632), (360, 60776), (426, 51360), (428, 51120), (480, 45582), (535, 40896), (568, 38520), (576, 37985), (639, 34240), (642, 34080), (710, 30816), (720, 30388), (852, 25680), (856, 25560), (960, 22791), (963, 22720), (1065, 20544), (1070, 20448), (1136, 19260), (1278, 17120), (1284, 17040), (1420, 15408), (1440, 15194), (1605, 13632), (1704, 12840), (1712, 12780), (1926, 11360), (2130, 10272), (2140, 10224), (2272, 9630), (2556, 8560), (2568, 8520), (2840, 7704), (2880, 7597), (3195, 6848), (3210, 6816), (3408, 6420), (3424, 6390), (3852, 5680), (4260, 5136), (4280, 5112), (4544, 4815)]