21671270

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{1583}}^1$

素因数の和:1664

約数の個数: 24

約数和(自身を含む): 40116384

約数和(自身を除く): 18445114

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 1369, 1583, 2738, 3166, 6845, 7915, 13690, 15830, 58571, 117142, 292855, 585710, 2167127, 4334254, 10835635, 21671270]

約数ペア:

[(1, 21671270), (2, 10835635), (5, 4334254), (10, 2167127), (37, 585710), (74, 292855), (185, 117142), (370, 58571), (1369, 15830), (1583, 13690), (2738, 7915), (3166, 6845)]