21884299

素因数分解:

${\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:318

約数の個数: 16

約数和(自身を含む): 23436000

約数和(自身を除く): 1551701

約数列:

[1, 29, 61, 89, 139, 1769, 2581, 4031, 5429, 8479, 12371, 157441, 245891, 358759, 754631, 21884299]

約数ペア:

[(1, 21884299), (29, 754631), (61, 358759), (89, 245891), (139, 157441), (1769, 12371), (2581, 8479), (4031, 5429)]