21046760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{75167}}^1$

素因数の和:75185

約数の個数: 32

約数和(自身を含む): 54120960

約数和(自身を除く): 33074200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 75167, 150334, 300668, 375835, 526169, 601336, 751670, 1052338, 1503340, 2104676, 2630845, 3006680, 4209352, 5261690, 10523380, 21046760]

約数ペア:

[(1, 21046760), (2, 10523380), (4, 5261690), (5, 4209352), (7, 3006680), (8, 2630845), (10, 2104676), (14, 1503340), (20, 1052338), (28, 751670), (35, 601336), (40, 526169), (56, 375835), (70, 300668), (140, 150334), (280, 75167)]