21486050

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 20511262

約数列:

[1, 2, 5, 10, 25, 41, 47, 50, 82, 94, 205, 223, 235, 410, 446, 470, 1025, 1115, 1175, 1927, 2050, 2230, 2350, 3854, 5575, 9143, 9635, 10481, 11150, 18286, 19270, 20962, 45715, 48175, 52405, 91430, 96350, 104810, 228575, 262025, 429721, 457150, 524050, 859442, 2148605, 4297210, 10743025, 21486050]

約数ペア:

[(1, 21486050), (2, 10743025), (5, 4297210), (10, 2148605), (25, 859442), (41, 524050), (47, 457150), (50, 429721), (82, 262025), (94, 228575), (205, 104810), (223, 96350), (235, 91430), (410, 52405), (446, 48175), (470, 45715), (1025, 20962), (1115, 19270), (1175, 18286), (1927, 11150), (2050, 10481), (2230, 9635), (2350, 9143), (3854, 5575)]