21000209036

素因数分解:

$2^2\times {\mathrm{359}}^1\times {\mathrm{2129}}^1\times {\mathrm{6869}}^1$

素因数の和:9361

約数の個数: 24

約数和(自身を含む): 36875412000

約数和(自身を除く): 15875202964

約数列:

[1, 2, 4, 359, 718, 1436, 2129, 4258, 6869, 8516, 13738, 27476, 764311, 1528622, 2465971, 3057244, 4931942, 9863884, 14624101, 29248202, 58496404, 5250052259, 10500104518, 21000209036]

約数ペア:

[(1, 21000209036), (2, 10500104518), (4, 5250052259), (359, 58496404), (718, 29248202), (1436, 14624101), (2129, 9863884), (4258, 4931942), (6869, 3057244), (8516, 2465971), (13738, 1528622), (27476, 764311)]