21426734

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 38071296

約数和(自身を除く): 16644562

約数列:

[1, 2, 7, 14, 53, 67, 106, 134, 371, 431, 469, 742, 862, 938, 3017, 3551, 6034, 7102, 22843, 24857, 28877, 45686, 49714, 57754, 159901, 202139, 319802, 404278, 1530481, 3060962, 10713367, 21426734]

約数ペア:

[(1, 21426734), (2, 10713367), (7, 3060962), (14, 1530481), (53, 404278), (67, 319802), (106, 202139), (134, 159901), (371, 57754), (431, 49714), (469, 45686), (742, 28877), (862, 24857), (938, 22843), (3017, 7102), (3551, 6034)]