21036705525

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{139339}}^1$

素因数の和:139427

約数の個数: 72

約数和(自身を含む): 41778590880

約数和(自身を除く): 20741885355

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 61, 75, 99, 165, 183, 225, 275, 305, 495, 549, 671, 825, 915, 1525, 2013, 2475, 2745, 3355, 4575, 6039, 10065, 13725, 16775, 30195, 50325, 139339, 150975, 418017, 696695, 1254051, 1532729, 2090085, 3483475, 4598187, 6270255, 7663645, 8499679, 10450425, 13794561, 22990935, 25499037, 31351275, 38318225, 42498395, 68972805, 76497111, 93496469, 114954675, 127495185, 212491975, 280489407, 344864025, 382485555, 467482345, 637475925, 841468221, 1402447035, 1912427775, 2337411725, 4207341105, 7012235175, 21036705525]

約数ペア:

[(1, 21036705525), (3, 7012235175), (5, 4207341105), (9, 2337411725), (11, 1912427775), (15, 1402447035), (25, 841468221), (33, 637475925), (45, 467482345), (55, 382485555), (61, 344864025), (75, 280489407), (99, 212491975), (165, 127495185), (183, 114954675), (225, 93496469), (275, 76497111), (305, 68972805), (495, 42498395), (549, 38318225), (671, 31351275), (825, 25499037), (915, 22990935), (1525, 13794561), (2013, 10450425), (2475, 8499679), (2745, 7663645), (3355, 6270255), (4575, 4598187), (6039, 3483475), (10065, 2090085), (13725, 1532729), (16775, 1254051), (30195, 696695), (50325, 418017), (139339, 150975)]