21803012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2441}}^1$

素因数の和:2492

約数の個数: 48

約数和(自身を含む): 49230720

約数和(自身を除く): 27427708

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 116, 154, 203, 308, 319, 406, 638, 812, 1276, 2233, 2441, 4466, 4882, 8932, 9764, 17087, 26851, 34174, 53702, 68348, 70789, 107404, 141578, 187957, 283156, 375914, 495523, 751828, 778679, 991046, 1557358, 1982092, 3114716, 5450753, 10901506, 21803012]

約数ペア:

[(1, 21803012), (2, 10901506), (4, 5450753), (7, 3114716), (11, 1982092), (14, 1557358), (22, 991046), (28, 778679), (29, 751828), (44, 495523), (58, 375914), (77, 283156), (116, 187957), (154, 141578), (203, 107404), (308, 70789), (319, 68348), (406, 53702), (638, 34174), (812, 26851), (1276, 17087), (2233, 9764), (2441, 8932), (4466, 4882)]