21859060

素因数分解:

$2^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1471}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 45997056

約数和(自身を除く): 24137996

約数列:

[1, 2, 4, 5, 10, 20, 743, 1471, 1486, 2942, 2972, 3715, 5884, 7355, 7430, 14710, 14860, 29420, 1092953, 2185906, 4371812, 5464765, 10929530, 21859060]

約数ペア:

[(1, 21859060), (2, 10929530), (4, 5464765), (5, 4371812), (10, 2185906), (20, 1092953), (743, 29420), (1471, 14860), (1486, 14710), (2942, 7430), (2972, 7355), (3715, 5884)]