21990312

素因数分解:

$2^3\times 3^3\times {\mathrm{101807}}^1$

素因数の和:101822

約数の個数: 32

約数和(自身を含む): 61084800

約数和(自身を除く): 39094488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 101807, 203614, 305421, 407228, 610842, 814456, 916263, 1221684, 1832526, 2443368, 2748789, 3665052, 5497578, 7330104, 10995156, 21990312]

約数ペア:

[(1, 21990312), (2, 10995156), (3, 7330104), (4, 5497578), (6, 3665052), (8, 2748789), (9, 2443368), (12, 1832526), (18, 1221684), (24, 916263), (27, 814456), (36, 610842), (54, 407228), (72, 305421), (108, 203614), (216, 101807)]