21103697398

素因数分解:

$2^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{2090717}}^1$

素因数の和:2090836

約数の個数: 24

約数和(自身を含む): 37181328912

約数和(自身を除く): 16077631514

約数列:

[1, 2, 7, 14, 49, 98, 103, 206, 721, 1442, 5047, 10094, 2090717, 4181434, 14635019, 29270038, 102445133, 204890266, 215343851, 430687702, 1507406957, 3014813914, 10551848699, 21103697398]

約数ペア:

[(1, 21103697398), (2, 10551848699), (7, 3014813914), (14, 1507406957), (49, 430687702), (98, 215343851), (103, 204890266), (206, 102445133), (721, 29270038), (1442, 14635019), (5047, 4181434), (10094, 2090717)]