2187100

素因数分解:

$2^2\times 5^2\times {\mathrm{21871}}^1$

素因数の和:21885

約数の個数: 18

約数和(自身を含む): 4746224

約数和(自身を除く): 2559124

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 21871, 43742, 87484, 109355, 218710, 437420, 546775, 1093550, 2187100]

約数ペア:

[(1, 2187100), (2, 1093550), (4, 546775), (5, 437420), (10, 218710), (20, 109355), (25, 87484), (50, 43742), (100, 21871)]