21030142

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{271}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 37914624

約数和(自身を除く): 16884482

約数列:

[1, 2, 7, 14, 23, 46, 161, 241, 271, 322, 482, 542, 1687, 1897, 3374, 3794, 5543, 6233, 11086, 12466, 38801, 43631, 65311, 77602, 87262, 130622, 457177, 914354, 1502153, 3004306, 10515071, 21030142]

約数ペア:

[(1, 21030142), (2, 10515071), (7, 3004306), (14, 1502153), (23, 914354), (46, 457177), (161, 130622), (241, 87262), (271, 77602), (322, 65311), (482, 43631), (542, 38801), (1687, 12466), (1897, 11086), (3374, 6233), (3794, 5543)]