21354708

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 52808000

約数和(自身を除く): 31453292

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 229, 409, 458, 687, 818, 916, 1227, 1374, 1636, 2454, 2748, 4351, 4908, 7771, 8702, 13053, 15542, 17404, 23313, 26106, 31084, 46626, 52212, 93252, 93661, 187322, 280983, 374644, 561966, 1123932, 1779559, 3559118, 5338677, 7118236, 10677354, 21354708]

約数ペア:

[(1, 21354708), (2, 10677354), (3, 7118236), (4, 5338677), (6, 3559118), (12, 1779559), (19, 1123932), (38, 561966), (57, 374644), (76, 280983), (114, 187322), (228, 93661), (229, 93252), (409, 52212), (458, 46626), (687, 31084), (818, 26106), (916, 23313), (1227, 17404), (1374, 15542), (1636, 13053), (2454, 8702), (2748, 7771), (4351, 4908)]