21356862

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{209381}}^1$

素因数の和:209403

約数の個数: 16

約数和(自身を含む): 45226512

約数和(自身を除く): 23869650

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 209381, 418762, 628143, 1256286, 3559477, 7118954, 10678431, 21356862]

約数ペア:

[(1, 21356862), (2, 10678431), (3, 7118954), (6, 3559477), (17, 1256286), (34, 628143), (51, 418762), (102, 209381)]