21987528

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53891}}^1$

素因数の和:53917

約数の個数: 32

約数和(自身を含む): 58203360

約数和(自身を除く): 36215832

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 53891, 107782, 161673, 215564, 323346, 431128, 646692, 916147, 1293384, 1832294, 2748441, 3664588, 5496882, 7329176, 10993764, 21987528]

約数ペア:

[(1, 21987528), (2, 10993764), (3, 7329176), (4, 5496882), (6, 3664588), (8, 2748441), (12, 1832294), (17, 1293384), (24, 916147), (34, 646692), (51, 431128), (68, 323346), (102, 215564), (136, 161673), (204, 107782), (408, 53891)]