21872090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 41040000

約数和(自身を除く): 19167910

約数列:

[1, 2, 5, 10, 29, 58, 145, 199, 290, 379, 398, 758, 995, 1895, 1990, 3790, 5771, 10991, 11542, 21982, 28855, 54955, 57710, 75421, 109910, 150842, 377105, 754210, 2187209, 4374418, 10936045, 21872090]

約数ペア:

[(1, 21872090), (2, 10936045), (5, 4374418), (10, 2187209), (29, 754210), (58, 377105), (145, 150842), (199, 109910), (290, 75421), (379, 57710), (398, 54955), (758, 28855), (995, 21982), (1895, 11542), (1990, 10991), (3790, 5771)]