21202808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{14173}}^1$

素因数の和:14207

約数の個数: 32

約数和(自身を含む): 45923760

約数和(自身を除く): 24720952

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 14173, 28346, 56692, 113384, 155903, 240941, 311806, 481882, 623612, 963764, 1247224, 1927528, 2650351, 5300702, 10601404, 21202808]

約数ペア:

[(1, 21202808), (2, 10601404), (4, 5300702), (8, 2650351), (11, 1927528), (17, 1247224), (22, 963764), (34, 623612), (44, 481882), (68, 311806), (88, 240941), (136, 155903), (187, 113384), (374, 56692), (748, 28346), (1496, 14173)]