21480510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1951}}^1$

素因数の和:2328

約数の個数: 32

約数和(自身を含む): 51720192

約数和(自身を除く): 30239682

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 367, 734, 1101, 1835, 1951, 2202, 3670, 3902, 5505, 5853, 9755, 11010, 11706, 19510, 29265, 58530, 716017, 1432034, 2148051, 3580085, 4296102, 7160170, 10740255, 21480510]

約数ペア:

[(1, 21480510), (2, 10740255), (3, 7160170), (5, 4296102), (6, 3580085), (10, 2148051), (15, 1432034), (30, 716017), (367, 58530), (734, 29265), (1101, 19510), (1835, 11706), (1951, 11010), (2202, 9755), (3670, 5853), (3902, 5505)]