21069706

素因数分解:

$2^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1319}}^1$

素因数の和:1498

約数の個数: 24

約数和(自身を含む): 37018080

約数和(自身を除く): 15948374

約数列:

[1, 2, 7, 14, 49, 98, 163, 326, 1141, 1319, 2282, 2638, 7987, 9233, 15974, 18466, 64631, 129262, 214997, 429994, 1504979, 3009958, 10534853, 21069706]

約数ペア:

[(1, 21069706), (2, 10534853), (7, 3009958), (14, 1504979), (49, 429994), (98, 214997), (163, 129262), (326, 64631), (1141, 18466), (1319, 15974), (2282, 9233), (2638, 7987)]