21261330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{701}}^1$

素因数の和:1051

約数の個数: 48

約数和(自身を含む): 55522584

約数和(自身を除く): 34261254

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 337, 674, 701, 1011, 1402, 1685, 2022, 2103, 3033, 3370, 3505, 4206, 5055, 6066, 6309, 7010, 10110, 10515, 12618, 15165, 21030, 30330, 31545, 63090, 236237, 472474, 708711, 1181185, 1417422, 2126133, 2362370, 3543555, 4252266, 7087110, 10630665, 21261330]

約数ペア:

[(1, 21261330), (2, 10630665), (3, 7087110), (5, 4252266), (6, 3543555), (9, 2362370), (10, 2126133), (15, 1417422), (18, 1181185), (30, 708711), (45, 472474), (90, 236237), (337, 63090), (674, 31545), (701, 30330), (1011, 21030), (1402, 15165), (1685, 12618), (2022, 10515), (2103, 10110), (3033, 7010), (3370, 6309), (3505, 6066), (4206, 5055)]