21831608

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{143629}}^1$

素因数の和:143654

約数の個数: 16

約数和(自身を含む): 43089000

約数和(自身を除く): 21257392

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 143629, 287258, 574516, 1149032, 2728951, 5457902, 10915804, 21831608]

約数ペア:

[(1, 21831608), (2, 10915804), (4, 5457902), (8, 2728951), (19, 1149032), (38, 574516), (76, 287258), (152, 143629)]