21018889454

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{6373223}}^1$

素因数の和:6373339

約数の個数: 16

約数和(自身を含む): 33727101408

約数和(自身を除く): 12708211954

約数列:

[1, 2, 17, 34, 97, 194, 1649, 3298, 6373223, 12746446, 108344791, 216689582, 618202631, 1236405262, 10509444727, 21018889454]

約数ペア:

[(1, 21018889454), (2, 10509444727), (17, 1236405262), (34, 618202631), (97, 216689582), (194, 108344791), (1649, 12746446), (3298, 6373223)]