21026826

素因数分解:

$2^1\times 3^2\times {\mathrm{569}}^1\times {\mathrm{2053}}^1$

素因数の和:2630

約数の個数: 24

約数和(自身を含む): 45660420

約数和(自身を除く): 24633594

約数列:

[1, 2, 3, 6, 9, 18, 569, 1138, 1707, 2053, 3414, 4106, 5121, 6159, 10242, 12318, 18477, 36954, 1168157, 2336314, 3504471, 7008942, 10513413, 21026826]

約数ペア:

[(1, 21026826), (2, 10513413), (3, 7008942), (6, 3504471), (9, 2336314), (18, 1168157), (569, 36954), (1138, 18477), (1707, 12318), (2053, 10242), (3414, 6159), (4106, 5121)]