21534856

素因数分解:

$2^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1609}}^1$

素因数の和:1861

約数の個数: 32

約数和(自身を含む): 46368000

約数和(自身を除く): 24833144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 239, 478, 956, 1609, 1673, 1912, 3218, 3346, 6436, 6692, 11263, 12872, 13384, 22526, 45052, 90104, 384551, 769102, 1538204, 2691857, 3076408, 5383714, 10767428, 21534856]

約数ペア:

[(1, 21534856), (2, 10767428), (4, 5383714), (7, 3076408), (8, 2691857), (14, 1538204), (28, 769102), (56, 384551), (239, 90104), (478, 45052), (956, 22526), (1609, 13384), (1673, 12872), (1912, 11263), (3218, 6692), (3346, 6436)]