21007926

素因数分解:

$2^1\times 3^2\times {\mathrm{491}}^1\times {\mathrm{2377}}^1$

素因数の和:2876

約数の個数: 24

約数和(自身を含む): 45629064

約数和(自身を除く): 24621138

約数列:

[1, 2, 3, 6, 9, 18, 491, 982, 1473, 2377, 2946, 4419, 4754, 7131, 8838, 14262, 21393, 42786, 1167107, 2334214, 3501321, 7002642, 10503963, 21007926]

約数ペア:

[(1, 21007926), (2, 10503963), (3, 7002642), (6, 3501321), (9, 2334214), (18, 1167107), (491, 42786), (982, 21393), (1473, 14262), (2377, 8838), (2946, 7131), (4419, 4754)]