21008522

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{7487}}^1$

素因数の和:7573

約数の個数: 16

約数和(自身を含む): 33426432

約数和(自身を除く): 12417910

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 7487, 14974, 172201, 344402, 456707, 913414, 10504261, 21008522]

約数ペア:

[(1, 21008522), (2, 10504261), (23, 913414), (46, 456707), (61, 344402), (122, 172201), (1403, 14974), (2806, 7487)]