21522985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{797}}^1$

素因数の和:1304

約数の個数: 16

約数和(自身を含む): 28268352

約数和(自身を除く): 6745367

約数列:

[1, 5, 11, 55, 491, 797, 2455, 3985, 5401, 8767, 27005, 43835, 391327, 1956635, 4304597, 21522985]

約数ペア:

[(1, 21522985), (5, 4304597), (11, 1956635), (55, 391327), (491, 43835), (797, 27005), (2455, 8767), (3985, 5401)]