21778788

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1619}}^1$

素因数の和:1704

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 32653212

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 59, 76, 114, 118, 177, 228, 236, 354, 708, 1121, 1619, 2242, 3238, 3363, 4484, 4857, 6476, 6726, 9714, 13452, 19428, 30761, 61522, 92283, 95521, 123044, 184566, 191042, 286563, 369132, 382084, 573126, 1146252, 1814899, 3629798, 5444697, 7259596, 10889394, 21778788]

約数ペア:

[(1, 21778788), (2, 10889394), (3, 7259596), (4, 5444697), (6, 3629798), (12, 1814899), (19, 1146252), (38, 573126), (57, 382084), (59, 369132), (76, 286563), (114, 191042), (118, 184566), (177, 123044), (228, 95521), (236, 92283), (354, 61522), (708, 30761), (1121, 19428), (1619, 13452), (2242, 9714), (3238, 6726), (3363, 6476), (4484, 4857)]