21813470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7247}}^1$

素因数の和:7304

約数の個数: 32

約数和(自身を含む): 45923328

約数和(自身を除く): 24109858

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 7247, 14494, 36235, 50729, 72470, 101458, 253645, 311621, 507290, 623242, 1558105, 2181347, 3116210, 4362694, 10906735, 21813470]

約数ペア:

[(1, 21813470), (2, 10906735), (5, 4362694), (7, 3116210), (10, 2181347), (14, 1558105), (35, 623242), (43, 507290), (70, 311621), (86, 253645), (215, 101458), (301, 72470), (430, 50729), (602, 36235), (1505, 14494), (3010, 7247)]