21373150

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9941}}^1$

素因数の和:9996

約数の個数: 24

約数和(自身を含む): 40682664

約数和(自身を除く): 19309514

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 9941, 19882, 49705, 99410, 248525, 427463, 497050, 854926, 2137315, 4274630, 10686575, 21373150]

約数ペア:

[(1, 21373150), (2, 10686575), (5, 4274630), (10, 2137315), (25, 854926), (43, 497050), (50, 427463), (86, 248525), (215, 99410), (430, 49705), (1075, 19882), (2150, 9941)]