21135156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251609}}^1$

素因数の和:251623

約数の個数: 24

約数和(自身を含む): 56360640

約数和(自身を除く): 35225484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251609, 503218, 754827, 1006436, 1509654, 1761263, 3019308, 3522526, 5283789, 7045052, 10567578, 21135156]

約数ペア:

[(1, 21135156), (2, 10567578), (3, 7045052), (4, 5283789), (6, 3522526), (7, 3019308), (12, 1761263), (14, 1509654), (21, 1006436), (28, 754827), (42, 503218), (84, 251609)]