21166450

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{9007}}^1$

素因数の和:9066

約数の個数: 24

約数和(自身を含む): 40211712

約数和(自身を除く): 19045262

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 1175, 2350, 9007, 18014, 45035, 90070, 225175, 423329, 450350, 846658, 2116645, 4233290, 10583225, 21166450]

約数ペア:

[(1, 21166450), (2, 10583225), (5, 4233290), (10, 2116645), (25, 846658), (47, 450350), (50, 423329), (94, 225175), (235, 90070), (470, 45035), (1175, 18014), (2350, 9007)]