21380793

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{32843}}^1$

素因数の和:32884

約数の個数: 16

約数和(自身を含む): 33632256

約数和(自身を除く): 12251463

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 32843, 98529, 229901, 689703, 1018133, 3054399, 7126931, 21380793]

約数ペア:

[(1, 21380793), (3, 7126931), (7, 3054399), (21, 1018133), (31, 689703), (93, 229901), (217, 98529), (651, 32843)]