21781472

素因数分解:

$2^5\times {\mathrm{701}}^1\times {\mathrm{971}}^1$

素因数の和:1682

約数の個数: 24

約数和(自身を含む): 42987672

約数和(自身を除く): 21206200

約数列:

[1, 2, 4, 8, 16, 32, 701, 971, 1402, 1942, 2804, 3884, 5608, 7768, 11216, 15536, 22432, 31072, 680671, 1361342, 2722684, 5445368, 10890736, 21781472]

約数ペア:

[(1, 21781472), (2, 10890736), (4, 5445368), (8, 2722684), (16, 1361342), (32, 680671), (701, 31072), (971, 22432), (1402, 15536), (1942, 11216), (2804, 7768), (3884, 5608)]