21129492

素因数分解:

$2^2\times 3^1\times {\mathrm{401}}^1\times {\mathrm{4391}}^1$

素因数の和:4799

約数の個数: 24

約数和(自身を含む): 49436352

約数和(自身を除く): 28306860

約数列:

[1, 2, 3, 4, 6, 12, 401, 802, 1203, 1604, 2406, 4391, 4812, 8782, 13173, 17564, 26346, 52692, 1760791, 3521582, 5282373, 7043164, 10564746, 21129492]

約数ペア:

[(1, 21129492), (2, 10564746), (3, 7043164), (4, 5282373), (6, 3521582), (12, 1760791), (401, 52692), (802, 26346), (1203, 17564), (1604, 13173), (2406, 8782), (4391, 4812)]