21160288

素因数分解:

$2^5\times {\mathrm{661259}}^1$

素因数の和:661269

約数の個数: 12

約数和(自身を含む): 41659380

約数和(自身を除く): 20499092

約数列:

[1, 2, 4, 8, 16, 32, 661259, 1322518, 2645036, 5290072, 10580144, 21160288]

約数ペア:

[(1, 21160288), (2, 10580144), (4, 5290072), (8, 2645036), (16, 1322518), (32, 661259)]