21860766

素因数分解:

$2^1\times 3^5\times {\mathrm{31}}^1\times {\mathrm{1451}}^1$

素因数の和:1499

約数の個数: 48

約数和(自身を含む): 50738688

約数和(自身を除く): 28877922

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 243, 279, 486, 558, 837, 1451, 1674, 2511, 2902, 4353, 5022, 7533, 8706, 13059, 15066, 26118, 39177, 44981, 78354, 89962, 117531, 134943, 235062, 269886, 352593, 404829, 705186, 809658, 1214487, 2428974, 3643461, 7286922, 10930383, 21860766]

約数ペア:

[(1, 21860766), (2, 10930383), (3, 7286922), (6, 3643461), (9, 2428974), (18, 1214487), (27, 809658), (31, 705186), (54, 404829), (62, 352593), (81, 269886), (93, 235062), (162, 134943), (186, 117531), (243, 89962), (279, 78354), (486, 44981), (558, 39177), (837, 26118), (1451, 15066), (1674, 13059), (2511, 8706), (2902, 7533), (4353, 5022)]