21476200

素因数分解:

$2^3\times 5^2\times {\mathrm{167}}^1\times {\mathrm{643}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 50309280

約数和(自身を除く): 28833080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 167, 200, 334, 643, 668, 835, 1286, 1336, 1670, 2572, 3215, 3340, 4175, 5144, 6430, 6680, 8350, 12860, 16075, 16700, 25720, 32150, 33400, 64300, 107381, 128600, 214762, 429524, 536905, 859048, 1073810, 2147620, 2684525, 4295240, 5369050, 10738100, 21476200]

約数ペア:

[(1, 21476200), (2, 10738100), (4, 5369050), (5, 4295240), (8, 2684525), (10, 2147620), (20, 1073810), (25, 859048), (40, 536905), (50, 429524), (100, 214762), (167, 128600), (200, 107381), (334, 64300), (643, 33400), (668, 32150), (835, 25720), (1286, 16700), (1336, 16075), (1670, 12860), (2572, 8350), (3215, 6680), (3340, 6430), (4175, 5144)]