21496432

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79031}}^1$

素因数の和:79056

約数の個数: 20

約数和(自身を含む): 44099856

約数和(自身を除く): 22603424

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79031, 158062, 316124, 632248, 1264496, 1343527, 2687054, 5374108, 10748216, 21496432]

約数ペア:

[(1, 21496432), (2, 10748216), (4, 5374108), (8, 2687054), (16, 1343527), (17, 1264496), (34, 632248), (68, 316124), (136, 158062), (272, 79031)]