21000407030

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18584431}}^1$

素因数の和:18584551

約数の個数: 16

約数和(自身を含む): 38135254464

約数和(自身を除く): 17134847434

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 18584431, 37168862, 92922155, 185844310, 2100040703, 4200081406, 10500203515, 21000407030]

約数ペア:

[(1, 21000407030), (2, 10500203515), (5, 4200081406), (10, 2100040703), (113, 185844310), (226, 92922155), (565, 37168862), (1130, 18584431)]