21167357987

素因数分解:

${\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1\times {\mathrm{15473}}^1$

素因数の和:16390

約数の個数: 16

約数和(自身を含む): 22561092000

約数和(自身を除く): 1393734013

約数列:

[1, 19, 89, 809, 1691, 15371, 15473, 72001, 293987, 1368019, 1377097, 12517657, 26164843, 237835483, 1114071473, 21167357987]

約数ペア:

[(1, 21167357987), (19, 1114071473), (89, 237835483), (809, 26164843), (1691, 12517657), (15371, 1377097), (15473, 1368019), (72001, 293987)]