21175082

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{8317}}^1$

素因数の和:8405

約数の個数: 16

約数和(自身を含む): 33937440

約数和(自身を除く): 12762358

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 8317, 16634, 158023, 316046, 557239, 1114478, 10587541, 21175082]

約数ペア:

[(1, 21175082), (2, 10587541), (19, 1114478), (38, 557239), (67, 316046), (134, 158023), (1273, 16634), (2546, 8317)]