21648522

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11987}}^1$

素因数の和:12042

約数の個数: 32

約数和(自身を含む): 50637312

約数和(自身を除く): 28988790

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11987, 23974, 35961, 71922, 83909, 167818, 251727, 503454, 515441, 1030882, 1546323, 3092646, 3608087, 7216174, 10824261, 21648522]

約数ペア:

[(1, 21648522), (2, 10824261), (3, 7216174), (6, 3608087), (7, 3092646), (14, 1546323), (21, 1030882), (42, 515441), (43, 503454), (86, 251727), (129, 167818), (258, 83909), (301, 71922), (602, 35961), (903, 23974), (1806, 11987)]