21552838

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{3889}}^1$

素因数の和:4071

約数の個数: 16

約数和(自身を含む): 34449840

約数和(自身を除く): 12897002

約数列:

[1, 2, 17, 34, 163, 326, 2771, 3889, 5542, 7778, 66113, 132226, 633907, 1267814, 10776419, 21552838]

約数ペア:

[(1, 21552838), (2, 10776419), (17, 1267814), (34, 633907), (163, 132226), (326, 66113), (2771, 7778), (3889, 5542)]