21664890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18517}}^1$

素因数の和:18543

約数の個数: 48

約数和(自身を含む): 60664968

約数和(自身を除く): 39000078

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18517, 37034, 55551, 92585, 111102, 166653, 185170, 240721, 277755, 333306, 481442, 555510, 722163, 833265, 1203605, 1444326, 1666530, 2166489, 2407210, 3610815, 4332978, 7221630, 10832445, 21664890]

約数ペア:

[(1, 21664890), (2, 10832445), (3, 7221630), (5, 4332978), (6, 3610815), (9, 2407210), (10, 2166489), (13, 1666530), (15, 1444326), (18, 1203605), (26, 833265), (30, 722163), (39, 555510), (45, 481442), (65, 333306), (78, 277755), (90, 240721), (117, 185170), (130, 166653), (195, 111102), (234, 92585), (390, 55551), (585, 37034), (1170, 18517)]