21072570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3329}}^1$

素因数の和:3550

約数の個数: 32

約数和(自身を含む): 50829120

約数和(自身を除く): 29756550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 211, 422, 633, 1055, 1266, 2110, 3165, 3329, 6330, 6658, 9987, 16645, 19974, 33290, 49935, 99870, 702419, 1404838, 2107257, 3512095, 4214514, 7024190, 10536285, 21072570]

約数ペア:

[(1, 21072570), (2, 10536285), (3, 7024190), (5, 4214514), (6, 3512095), (10, 2107257), (15, 1404838), (30, 702419), (211, 99870), (422, 49935), (633, 33290), (1055, 19974), (1266, 16645), (2110, 9987), (3165, 6658), (3329, 6330)]