21031450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{38239}}^1$

素因数の和:38262

約数の個数: 24

約数和(自身を含む): 42675840

約数和(自身を除く): 21644390

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 38239, 76478, 191195, 382390, 420629, 841258, 955975, 1911950, 2103145, 4206290, 10515725, 21031450]

約数ペア:

[(1, 21031450), (2, 10515725), (5, 4206290), (10, 2103145), (11, 1911950), (22, 955975), (25, 841258), (50, 420629), (55, 382390), (110, 191195), (275, 76478), (550, 38239)]