21340450

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{8053}}^1$

素因数の和:8118

約数の個数: 24

約数和(自身を含む): 40447188

約数和(自身を除く): 19106738

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 8053, 16106, 40265, 80530, 201325, 402650, 426809, 853618, 2134045, 4268090, 10670225, 21340450]

約数ペア:

[(1, 21340450), (2, 10670225), (5, 4268090), (10, 2134045), (25, 853618), (50, 426809), (53, 402650), (106, 201325), (265, 80530), (530, 40265), (1325, 16106), (2650, 8053)]