21811524

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3557}}^1$

素因数の和:3644

約数の個数: 48

約数和(自身を含む): 58977408

約数和(自身を除く): 37165884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 73, 84, 146, 219, 292, 438, 511, 876, 1022, 1533, 2044, 3066, 3557, 6132, 7114, 10671, 14228, 21342, 24899, 42684, 49798, 74697, 99596, 149394, 259661, 298788, 519322, 778983, 1038644, 1557966, 1817627, 3115932, 3635254, 5452881, 7270508, 10905762, 21811524]

約数ペア:

[(1, 21811524), (2, 10905762), (3, 7270508), (4, 5452881), (6, 3635254), (7, 3115932), (12, 1817627), (14, 1557966), (21, 1038644), (28, 778983), (42, 519322), (73, 298788), (84, 259661), (146, 149394), (219, 99596), (292, 74697), (438, 49798), (511, 42684), (876, 24899), (1022, 21342), (1533, 14228), (2044, 10671), (3066, 7114), (3557, 6132)]