21330154

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{911}}^1$

素因数の和:1445

約数の個数: 16

約数和(自身を含む): 33488640

約数和(自身を除く): 12158486

約数列:

[1, 2, 23, 46, 509, 911, 1018, 1822, 11707, 20953, 23414, 41906, 463699, 927398, 10665077, 21330154]

約数ペア:

[(1, 21330154), (2, 10665077), (23, 927398), (46, 463699), (509, 41906), (911, 23414), (1018, 20953), (1822, 11707)]