21151766

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{6863}}^1$

素因数の和:6955

約数の個数: 16

約数和(自身を含む): 33606144

約数和(自身を除く): 12454378

約数列:

[1, 2, 23, 46, 67, 134, 1541, 3082, 6863, 13726, 157849, 315698, 459821, 919642, 10575883, 21151766]

約数ペア:

[(1, 21151766), (2, 10575883), (23, 919642), (46, 459821), (67, 315698), (134, 157849), (1541, 13726), (3082, 6863)]