21067100

素因数分解:

$2^2\times 5^2\times {\mathrm{210671}}^1$

素因数の和:210685

約数の個数: 18

約数和(自身を含む): 45715824

約数和(自身を除く): 24648724

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 210671, 421342, 842684, 1053355, 2106710, 4213420, 5266775, 10533550, 21067100]

約数ペア:

[(1, 21067100), (2, 10533550), (4, 5266775), (5, 4213420), (10, 2106710), (20, 1053355), (25, 842684), (50, 421342), (100, 210671)]