21638672

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{11177}}^1$

素因数の和:11207

約数の個数: 30

約数和(自身を含む): 46086894

約数和(自身を除く): 24448222

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 11177, 22354, 44708, 89416, 122947, 178832, 245894, 491788, 983576, 1352417, 1967152, 2704834, 5409668, 10819336, 21638672]

約数ペア:

[(1, 21638672), (2, 10819336), (4, 5409668), (8, 2704834), (11, 1967152), (16, 1352417), (22, 983576), (44, 491788), (88, 245894), (121, 178832), (176, 122947), (242, 89416), (484, 44708), (968, 22354), (1936, 11177)]