21048652840

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{924809}}^1$

素因数の和:925389

約数の個数: 32

約数和(自身を含む): 47442753000

約数和(自身を除く): 26394100160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2276, 2845, 4552, 5690, 11380, 22760, 924809, 1849618, 3699236, 4624045, 7398472, 9248090, 18496180, 36992360, 526216321, 1052432642, 2104865284, 2631081605, 4209730568, 5262163210, 10524326420, 21048652840]

約数ペア:

[(1, 21048652840), (2, 10524326420), (4, 5262163210), (5, 4209730568), (8, 2631081605), (10, 2104865284), (20, 1052432642), (40, 526216321), (569, 36992360), (1138, 18496180), (2276, 9248090), (2845, 7398472), (4552, 4624045), (5690, 3699236), (11380, 1849618), (22760, 924809)]