21748046

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{907}}^1$

素因数の和:1559

約数の個数: 16

約数和(自身を含む): 34431360

約数和(自身を除く): 12683314

約数列:

[1, 2, 19, 38, 631, 907, 1262, 1814, 11989, 17233, 23978, 34466, 572317, 1144634, 10874023, 21748046]

約数ペア:

[(1, 21748046), (2, 10874023), (19, 1144634), (38, 572317), (631, 34466), (907, 23978), (1262, 17233), (1814, 11989)]