21970098

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{17191}}^1$

素因数の和:17270

約数の個数: 24

約数和(自身を含む): 48275136

約数和(自身を除く): 26305038

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 17191, 34382, 51573, 103146, 154719, 309438, 1220561, 2441122, 3661683, 7323366, 10985049, 21970098]

約数ペア:

[(1, 21970098), (2, 10985049), (3, 7323366), (6, 3661683), (9, 2441122), (18, 1220561), (71, 309438), (142, 154719), (213, 103146), (426, 51573), (639, 34382), (1278, 17191)]