21223174

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12739}}^1$

素因数の和:12772

約数の個数: 24

約数和(自身を含む): 39213720

約数和(自身を除く): 17990546

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12739, 25478, 89173, 178346, 216563, 433126, 624211, 1248422, 1515941, 3031882, 10611587, 21223174]

約数ペア:

[(1, 21223174), (2, 10611587), (7, 3031882), (14, 1515941), (17, 1248422), (34, 624211), (49, 433126), (98, 216563), (119, 178346), (238, 89173), (833, 25478), (1666, 12739)]