21928495

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3517}}^1$

素因数の和:3594

約数の個数: 16

約数和(自身を含む): 27862560

約数和(自身を除く): 5934065

約数列:

[1, 5, 29, 43, 145, 215, 1247, 3517, 6235, 17585, 101993, 151231, 509965, 756155, 4385699, 21928495]

約数ペア:

[(1, 21928495), (5, 4385699), (29, 756155), (43, 509965), (145, 151231), (215, 101993), (1247, 17585), (3517, 6235)]