21352594

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{907}}^1$

素因数の和:1137

約数の個数: 16

約数和(自身を含む): 32688000

約数和(自身を除く): 11335406

約数列:

[1, 2, 79, 149, 158, 298, 907, 1814, 11771, 23542, 71653, 135143, 143306, 270286, 10676297, 21352594]

約数ペア:

[(1, 21352594), (2, 10676297), (79, 270286), (149, 143306), (158, 135143), (298, 71653), (907, 23542), (1814, 11771)]