21889976

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{144013}}^1$

素因数の和:144038

約数の個数: 16

約数和(自身を含む): 43204200

約数和(自身を除く): 21314224

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 144013, 288026, 576052, 1152104, 2736247, 5472494, 10944988, 21889976]

約数ペア:

[(1, 21889976), (2, 10944988), (4, 5472494), (8, 2736247), (19, 1152104), (38, 576052), (76, 288026), (152, 144013)]