21000261803

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{449117}}^1$

素因数の和:449266

約数の個数: 16

約数和(自身を含む): 23282277120

約数和(自身を除く): 2282015317

約数列:

[1, 19, 23, 107, 437, 2033, 2461, 46759, 449117, 8533223, 10329691, 48055519, 196264129, 913054861, 1105276937, 21000261803]

約数ペア:

[(1, 21000261803), (19, 1105276937), (23, 913054861), (107, 196264129), (437, 48055519), (2033, 10329691), (2461, 8533223), (46759, 449117)]