21525456

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10429}}^1$

素因数の和:10483

約数の個数: 40

約数和(自身を含む): 56906080

約数和(自身を除く): 35380624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10429, 20858, 31287, 41716, 62574, 83432, 125148, 166864, 250296, 448447, 500592, 896894, 1345341, 1793788, 2690682, 3587576, 5381364, 7175152, 10762728, 21525456]

約数ペア:

[(1, 21525456), (2, 10762728), (3, 7175152), (4, 5381364), (6, 3587576), (8, 2690682), (12, 1793788), (16, 1345341), (24, 896894), (43, 500592), (48, 448447), (86, 250296), (129, 166864), (172, 125148), (258, 83432), (344, 62574), (516, 41716), (688, 31287), (1032, 20858), (2064, 10429)]