21487492010

素因数分解:

$2^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1487}}^1\times {\mathrm{3121}}^1$

素因数の和:5078

約数の個数: 32

約数和(自身を含む): 38799516672

約数和(自身を除く): 17312024662

約数列:

[1, 2, 5, 10, 463, 926, 1487, 2315, 2974, 3121, 4630, 6242, 7435, 14870, 15605, 31210, 688481, 1376962, 1445023, 2890046, 3442405, 4640927, 6884810, 7225115, 9281854, 14450230, 23204635, 46409270, 2148749201, 4297498402, 10743746005, 21487492010]

約数ペア:

[(1, 21487492010), (2, 10743746005), (5, 4297498402), (10, 2148749201), (463, 46409270), (926, 23204635), (1487, 14450230), (2315, 9281854), (2974, 7225115), (3121, 6884810), (4630, 4640927), (6242, 3442405), (7435, 2890046), (14870, 1445023), (15605, 1376962), (31210, 688481)]