21427404

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{919}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 52550400

約数和(自身を除く): 31122996

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 67, 87, 116, 134, 174, 201, 268, 348, 402, 804, 919, 1838, 1943, 2757, 3676, 3886, 5514, 5829, 7772, 11028, 11658, 23316, 26651, 53302, 61573, 79953, 106604, 123146, 159906, 184719, 246292, 319812, 369438, 738876, 1785617, 3571234, 5356851, 7142468, 10713702, 21427404]

約数ペア:

[(1, 21427404), (2, 10713702), (3, 7142468), (4, 5356851), (6, 3571234), (12, 1785617), (29, 738876), (58, 369438), (67, 319812), (87, 246292), (116, 184719), (134, 159906), (174, 123146), (201, 106604), (268, 79953), (348, 61573), (402, 53302), (804, 26651), (919, 23316), (1838, 11658), (1943, 11028), (2757, 7772), (3676, 5829), (3886, 5514)]