21119427

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{853}}^1$

素因数の和:1000

約数の個数: 32

約数和(自身を含む): 36072960

約数和(自身を除く): 14953533

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 853, 917, 1179, 2559, 2751, 3537, 5971, 7677, 8253, 17913, 23031, 24759, 53739, 111743, 161217, 335229, 782201, 1005687, 2346603, 3017061, 7039809, 21119427]

約数ペア:

[(1, 21119427), (3, 7039809), (7, 3017061), (9, 2346603), (21, 1005687), (27, 782201), (63, 335229), (131, 161217), (189, 111743), (393, 53739), (853, 24759), (917, 23031), (1179, 17913), (2559, 8253), (2751, 7677), (3537, 5971)]