21921309179

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{3407}}^1\times {\mathrm{83561}}^1$

素因数の和:86986

約数の個数: 16

約数和(自身を含む): 27338812416

約数和(自身を除く): 5417503237

約数列:

[1, 7, 11, 77, 3407, 23849, 37477, 83561, 262339, 584927, 919171, 6434197, 284692327, 1992846289, 3131615597, 21921309179]

約数ペア:

[(1, 21921309179), (7, 3131615597), (11, 1992846289), (77, 284692327), (3407, 6434197), (23849, 919171), (37477, 584927), (83561, 262339)]