21625534

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{81299}}^1$

素因数の和:81327

約数の個数: 16

約数和(自身を含む): 39024000

約数和(自身を除く): 17398466

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 81299, 162598, 569093, 1138186, 1544681, 3089362, 10812767, 21625534]

約数ペア:

[(1, 21625534), (2, 10812767), (7, 3089362), (14, 1544681), (19, 1138186), (38, 569093), (133, 162598), (266, 81299)]