21915572

素因数分解:

$2^2\times 7^1\times {\mathrm{673}}^1\times {\mathrm{1163}}^1$

素因数の和:1847

約数の個数: 24

約数和(自身を含む): 43934016

約数和(自身を除く): 22018444

約数列:

[1, 2, 4, 7, 14, 28, 673, 1163, 1346, 2326, 2692, 4652, 4711, 8141, 9422, 16282, 18844, 32564, 782699, 1565398, 3130796, 5478893, 10957786, 21915572]

約数ペア:

[(1, 21915572), (2, 10957786), (4, 5478893), (7, 3130796), (14, 1565398), (28, 782699), (673, 32564), (1163, 18844), (1346, 16282), (2326, 9422), (2692, 8141), (4652, 4711)]