21486804

素因数分解:

$2^2\times 3^1\times {\mathrm{389}}^1\times {\mathrm{4603}}^1$

素因数の和:4999

約数の個数: 24

約数和(自身を含む): 50275680

約数和(自身を除く): 28788876

約数列:

[1, 2, 3, 4, 6, 12, 389, 778, 1167, 1556, 2334, 4603, 4668, 9206, 13809, 18412, 27618, 55236, 1790567, 3581134, 5371701, 7162268, 10743402, 21486804]

約数ペア:

[(1, 21486804), (2, 10743402), (3, 7162268), (4, 5371701), (6, 3581134), (12, 1790567), (389, 55236), (778, 27618), (1167, 18412), (1556, 13809), (2334, 9206), (4603, 4668)]