21063314405

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1021747}}^1$

素因数の和:1021809

約数の個数: 32

約数和(自身を含む): 31388098560

約数和(自身を除く): 10324784155

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 665, 1085, 2945, 4123, 20615, 1021747, 5108735, 7152229, 19413193, 31674157, 35761145, 97065965, 135892351, 158370785, 221719099, 601808983, 679461755, 1108595495, 3009044915, 4212662881, 21063314405]

約数ペア:

[(1, 21063314405), (5, 4212662881), (7, 3009044915), (19, 1108595495), (31, 679461755), (35, 601808983), (95, 221719099), (133, 158370785), (155, 135892351), (217, 97065965), (589, 35761145), (665, 31674157), (1085, 19413193), (2945, 7152229), (4123, 5108735), (20615, 1021747)]