21143502

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 48016800

約数和(自身を除く): 26873298

約数列:

[1, 2, 3, 6, 9, 18, 37, 53, 74, 106, 111, 159, 222, 318, 333, 477, 599, 666, 954, 1198, 1797, 1961, 3594, 3922, 5391, 5883, 10782, 11766, 17649, 22163, 31747, 35298, 44326, 63494, 66489, 95241, 132978, 190482, 199467, 285723, 398934, 571446, 1174639, 2349278, 3523917, 7047834, 10571751, 21143502]

約数ペア:

[(1, 21143502), (2, 10571751), (3, 7047834), (6, 3523917), (9, 2349278), (18, 1174639), (37, 571446), (53, 398934), (74, 285723), (106, 199467), (111, 190482), (159, 132978), (222, 95241), (318, 66489), (333, 63494), (477, 44326), (599, 35298), (666, 31747), (954, 22163), (1198, 17649), (1797, 11766), (1961, 10782), (3594, 5883), (3922, 5391)]