21950395

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1171}}^1$

素因数の和:1362

約数の個数: 16

約数和(自身を含む): 27677952

約数和(自身を除く): 5727557

約数列:

[1, 5, 23, 115, 163, 815, 1171, 3749, 5855, 18745, 26933, 134665, 190873, 954365, 4390079, 21950395]

約数ペア:

[(1, 21950395), (5, 4390079), (23, 954365), (115, 190873), (163, 134665), (815, 26933), (1171, 18745), (3749, 5855)]