21238352

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3677}}^1$

素因数の和:3723

約数の個数: 30

約数和(自身を含む): 43440858

約数和(自身を除く): 22202506

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3677, 5776, 7354, 14708, 29416, 58832, 69863, 139726, 279452, 558904, 1117808, 1327397, 2654794, 5309588, 10619176, 21238352]

約数ペア:

[(1, 21238352), (2, 10619176), (4, 5309588), (8, 2654794), (16, 1327397), (19, 1117808), (38, 558904), (76, 279452), (152, 139726), (304, 69863), (361, 58832), (722, 29416), (1444, 14708), (2888, 7354), (3677, 5776)]