21141025425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{307}}^1\times {\mathrm{1811}}^1$

素因数の和:2160

約数の個数: 108

約数和(自身を含む): 41159021904

約数和(自身を除く): 20017996479

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 169, 195, 225, 307, 325, 507, 585, 845, 921, 975, 1521, 1535, 1811, 2535, 2763, 2925, 3991, 4225, 4605, 5433, 7605, 7675, 9055, 11973, 12675, 13815, 16299, 19955, 23025, 23543, 27165, 35919, 38025, 45275, 51883, 59865, 69075, 70629, 81495, 99775, 117715, 135825, 155649, 179595, 211887, 259415, 299325, 306059, 353145, 407475, 466947, 555977, 588575, 778245, 897975, 918177, 1059435, 1297075, 1530295, 1667931, 1765725, 2334735, 2754531, 2779885, 3891225, 4590885, 5003793, 5297175, 7227701, 7651475, 8339655, 11673675, 13772655, 13899425, 21683103, 22954425, 25018965, 36138505, 41698275, 65049309, 68863275, 93960113, 108415515, 125094825, 180692525, 281880339, 325246545, 469800565, 542077575, 845641017, 1409401695, 1626232725, 2349002825, 4228205085, 7047008475, 21141025425]

約数ペア:

[(1, 21141025425), (3, 7047008475), (5, 4228205085), (9, 2349002825), (13, 1626232725), (15, 1409401695), (25, 845641017), (39, 542077575), (45, 469800565), (65, 325246545), (75, 281880339), (117, 180692525), (169, 125094825), (195, 108415515), (225, 93960113), (307, 68863275), (325, 65049309), (507, 41698275), (585, 36138505), (845, 25018965), (921, 22954425), (975, 21683103), (1521, 13899425), (1535, 13772655), (1811, 11673675), (2535, 8339655), (2763, 7651475), (2925, 7227701), (3991, 5297175), (4225, 5003793), (4605, 4590885), (5433, 3891225), (7605, 2779885), (7675, 2754531), (9055, 2334735), (11973, 1765725), (12675, 1667931), (13815, 1530295), (16299, 1297075), (19955, 1059435), (23025, 918177), (23543, 897975), (27165, 778245), (35919, 588575), (38025, 555977), (45275, 466947), (51883, 407475), (59865, 353145), (69075, 306059), (70629, 299325), (81495, 259415), (99775, 211887), (117715, 179595), (135825, 155649)]