20212506

素因数分解:

$2^1\times 3^2\times {\mathrm{491}}^1\times {\mathrm{2287}}^1$

素因数の和:2786

約数の個数: 24

約数和(自身を含む): 43902144

約数和(自身を除く): 23689638

約数列:

[1, 2, 3, 6, 9, 18, 491, 982, 1473, 2287, 2946, 4419, 4574, 6861, 8838, 13722, 20583, 41166, 1122917, 2245834, 3368751, 6737502, 10106253, 20212506]

約数ペア:

[(1, 20212506), (2, 10106253), (3, 6737502), (6, 3368751), (9, 2245834), (18, 1122917), (491, 41166), (982, 20583), (1473, 13722), (2287, 8838), (2946, 6861), (4419, 4574)]