21835568580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{31643}}^1$

素因数の和:31746

約数の個数: 192

約数和(自身を含む): 73491038208

約数和(自身を除く): 51655469628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 53, 60, 62, 70, 84, 93, 105, 106, 124, 140, 155, 159, 186, 210, 212, 217, 265, 310, 318, 371, 372, 420, 434, 465, 530, 620, 636, 651, 742, 795, 868, 930, 1060, 1085, 1113, 1302, 1484, 1590, 1643, 1855, 1860, 2170, 2226, 2604, 3180, 3255, 3286, 3710, 4340, 4452, 4929, 5565, 6510, 6572, 7420, 8215, 9858, 11130, 11501, 13020, 16430, 19716, 22260, 23002, 24645, 31643, 32860, 34503, 46004, 49290, 57505, 63286, 69006, 94929, 98580, 115010, 126572, 138012, 158215, 172515, 189858, 221501, 230020, 316430, 345030, 379716, 443002, 474645, 632860, 664503, 690060, 886004, 949290, 980933, 1107505, 1329006, 1677079, 1898580, 1961866, 2215010, 2658012, 2942799, 3322515, 3354158, 3923732, 4430020, 4904665, 5031237, 5885598, 6645030, 6708316, 6866531, 8385395, 9809330, 10062474, 11739553, 11771196, 13290060, 13733062, 14713995, 16770790, 19618660, 20124948, 20599593, 23479106, 25156185, 27466124, 29427990, 33541580, 34332655, 35218659, 41199186, 46958212, 50312370, 51989449, 58697765, 58855980, 68665310, 70437318, 82398372, 100624740, 102997965, 103978898, 117395530, 137330620, 140874636, 155968347, 176093295, 205995930, 207957796, 234791060, 259947245, 311936694, 352186590, 363926143, 411991860, 519894490, 623873388, 704373180, 727852286, 779841735, 1039788980, 1091778429, 1455704572, 1559683470, 1819630715, 2183556858, 3119366940, 3639261430, 4367113716, 5458892145, 7278522860, 10917784290, 21835568580]

約数ペア:

[(1, 21835568580), (2, 10917784290), (3, 7278522860), (4, 5458892145), (5, 4367113716), (6, 3639261430), (7, 3119366940), (10, 2183556858), (12, 1819630715), (14, 1559683470), (15, 1455704572), (20, 1091778429), (21, 1039788980), (28, 779841735), (30, 727852286), (31, 704373180), (35, 623873388), (42, 519894490), (53, 411991860), (60, 363926143), (62, 352186590), (70, 311936694), (84, 259947245), (93, 234791060), (105, 207957796), (106, 205995930), (124, 176093295), (140, 155968347), (155, 140874636), (159, 137330620), (186, 117395530), (210, 103978898), (212, 102997965), (217, 100624740), (265, 82398372), (310, 70437318), (318, 68665310), (371, 58855980), (372, 58697765), (420, 51989449), (434, 50312370), (465, 46958212), (530, 41199186), (620, 35218659), (636, 34332655), (651, 33541580), (742, 29427990), (795, 27466124), (868, 25156185), (930, 23479106), (1060, 20599593), (1085, 20124948), (1113, 19618660), (1302, 16770790), (1484, 14713995), (1590, 13733062), (1643, 13290060), (1855, 11771196), (1860, 11739553), (2170, 10062474), (2226, 9809330), (2604, 8385395), (3180, 6866531), (3255, 6708316), (3286, 6645030), (3710, 5885598), (4340, 5031237), (4452, 4904665), (4929, 4430020), (5565, 3923732), (6510, 3354158), (6572, 3322515), (7420, 2942799), (8215, 2658012), (9858, 2215010), (11130, 1961866), (11501, 1898580), (13020, 1677079), (16430, 1329006), (19716, 1107505), (22260, 980933), (23002, 949290), (24645, 886004), (31643, 690060), (32860, 664503), (34503, 632860), (46004, 474645), (49290, 443002), (57505, 379716), (63286, 345030), (69006, 316430), (94929, 230020), (98580, 221501), (115010, 189858), (126572, 172515), (138012, 158215)]