21761426

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1\times {\mathrm{821}}^1$

素因数の和:1309

約数の個数: 16

約数和(自身を含む): 33882840

約数和(自身を除く): 12121414

約数列:

[1, 2, 29, 58, 457, 821, 914, 1642, 13253, 23809, 26506, 47618, 375197, 750394, 10880713, 21761426]

約数ペア:

[(1, 21761426), (2, 10880713), (29, 750394), (58, 375197), (457, 47618), (821, 26506), (914, 23809), (1642, 13253)]