21235850

素因数分解:

$2^1\times 5^2\times {\mathrm{227}}^1\times {\mathrm{1871}}^1$

素因数の和:2110

約数の個数: 24

約数和(自身を含む): 39693888

約数和(自身を除く): 18458038

約数列:

[1, 2, 5, 10, 25, 50, 227, 454, 1135, 1871, 2270, 3742, 5675, 9355, 11350, 18710, 46775, 93550, 424717, 849434, 2123585, 4247170, 10617925, 21235850]

約数ペア:

[(1, 21235850), (2, 10617925), (5, 4247170), (10, 2123585), (25, 849434), (50, 424717), (227, 93550), (454, 46775), (1135, 18710), (1871, 11350), (2270, 9355), (3742, 5675)]