21096173

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{563}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 24852096

約数和(自身を除く): 3755923

約数列:

[1, 7, 53, 101, 371, 563, 707, 3941, 5353, 29839, 37471, 56863, 208873, 398041, 3013739, 21096173]

約数ペア:

[(1, 21096173), (7, 3013739), (53, 398041), (101, 208873), (371, 56863), (563, 37471), (707, 29839), (3941, 5353)]