21413970

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26437}}^1$

素因数の和:26456

約数の個数: 40

約数和(自身を含む): 57581964

約数和(自身を除く): 36167994

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26437, 52874, 79311, 132185, 158622, 237933, 264370, 396555, 475866, 713799, 793110, 1189665, 1427598, 2141397, 2379330, 3568995, 4282794, 7137990, 10706985, 21413970]

約数ペア:

[(1, 21413970), (2, 10706985), (3, 7137990), (5, 4282794), (6, 3568995), (9, 2379330), (10, 2141397), (15, 1427598), (18, 1189665), (27, 793110), (30, 713799), (45, 475866), (54, 396555), (81, 264370), (90, 237933), (135, 158622), (162, 132185), (270, 79311), (405, 52874), (810, 26437)]