21573993

素因数分解:

$3^1\times 7^1\times {\mathrm{797}}^1\times {\mathrm{1289}}^1$

素因数の和:2096

約数の個数: 16

約数和(自身を含む): 32941440

約数和(自身を除く): 11367447

約数列:

[1, 3, 7, 21, 797, 1289, 2391, 3867, 5579, 9023, 16737, 27069, 1027333, 3081999, 7191331, 21573993]

約数ペア:

[(1, 21573993), (3, 7191331), (7, 3081999), (21, 1027333), (797, 27069), (1289, 16737), (2391, 9023), (3867, 5579)]