21715704

素因数分解:

$2^3\times 3^2\times {\mathrm{197}}^1\times {\mathrm{1531}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 59150520

約数和(自身を除く): 37434816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 197, 394, 591, 788, 1182, 1531, 1576, 1773, 2364, 3062, 3546, 4593, 4728, 6124, 7092, 9186, 12248, 13779, 14184, 18372, 27558, 36744, 55116, 110232, 301607, 603214, 904821, 1206428, 1809642, 2412856, 2714463, 3619284, 5428926, 7238568, 10857852, 21715704]

約数ペア:

[(1, 21715704), (2, 10857852), (3, 7238568), (4, 5428926), (6, 3619284), (8, 2714463), (9, 2412856), (12, 1809642), (18, 1206428), (24, 904821), (36, 603214), (72, 301607), (197, 110232), (394, 55116), (591, 36744), (788, 27558), (1182, 18372), (1531, 14184), (1576, 13779), (1773, 12248), (2364, 9186), (3062, 7092), (3546, 6124), (4593, 4728)]