21055406084

素因数分解:

$2^2\times {\mathrm{313}}^1\times {\mathrm{4073}}^1\times {\mathrm{4129}}^1$

素因数の和:8519

約数の個数: 24

約数和(自身を含む): 36982712760

約数和(自身を除く): 15927306676

約数列:

[1, 2, 4, 313, 626, 1252, 4073, 4129, 8146, 8258, 16292, 16516, 1274849, 1292377, 2549698, 2584754, 5099396, 5169508, 16817417, 33634834, 67269668, 5263851521, 10527703042, 21055406084]

約数ペア:

[(1, 21055406084), (2, 10527703042), (4, 5263851521), (313, 67269668), (626, 33634834), (1252, 16817417), (4073, 5169508), (4129, 5099396), (8146, 2584754), (8258, 2549698), (16292, 1292377), (16516, 1274849)]