2021124620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5318749}}^1$

素因数の和:5318777

約数の個数: 24

約数和(自身を含む): 4467750000

約数和(自身を除く): 2446625380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5318749, 10637498, 21274996, 26593745, 53187490, 101056231, 106374980, 202112462, 404224924, 505281155, 1010562310, 2021124620]

約数ペア:

[(1, 2021124620), (2, 1010562310), (4, 505281155), (5, 404224924), (10, 202112462), (19, 106374980), (20, 101056231), (38, 53187490), (76, 26593745), (95, 21274996), (190, 10637498), (380, 5318749)]