21551556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10627}}^1$

素因数の和:10660

約数の個数: 36

約数和(自身を含む): 54457872

約数和(自身を除く): 32906316

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10627, 21254, 31881, 42508, 63762, 127524, 138151, 276302, 414453, 552604, 828906, 1657812, 1795963, 3591926, 5387889, 7183852, 10775778, 21551556]

約数ペア:

[(1, 21551556), (2, 10775778), (3, 7183852), (4, 5387889), (6, 3591926), (12, 1795963), (13, 1657812), (26, 828906), (39, 552604), (52, 414453), (78, 276302), (156, 138151), (169, 127524), (338, 63762), (507, 42508), (676, 31881), (1014, 21254), (2028, 10627)]