21489318

素因数分解:

$2^1\times 3^2\times {\mathrm{367}}^1\times {\mathrm{3253}}^1$

素因数の和:3628

約数の個数: 24

約数和(自身を含む): 46701408

約数和(自身を除く): 25212090

約数列:

[1, 2, 3, 6, 9, 18, 367, 734, 1101, 2202, 3253, 3303, 6506, 6606, 9759, 19518, 29277, 58554, 1193851, 2387702, 3581553, 7163106, 10744659, 21489318]

約数ペア:

[(1, 21489318), (2, 10744659), (3, 7163106), (6, 3581553), (9, 2387702), (18, 1193851), (367, 58554), (734, 29277), (1101, 19518), (2202, 9759), (3253, 6606), (3303, 6506)]