21878370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{81031}}^1$

素因数の和:81047

約数の個数: 32

約数和(自身を含む): 58343040

約数和(自身を除く): 36464670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 81031, 162062, 243093, 405155, 486186, 729279, 810310, 1215465, 1458558, 2187837, 2430930, 3646395, 4375674, 7292790, 10939185, 21878370]

約数ペア:

[(1, 21878370), (2, 10939185), (3, 7292790), (5, 4375674), (6, 3646395), (9, 2430930), (10, 2187837), (15, 1458558), (18, 1215465), (27, 810310), (30, 729279), (45, 486186), (54, 405155), (90, 243093), (135, 162062), (270, 81031)]