21907543

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{811}}^1$

素因数の和:1062

約数の個数: 16

約数和(自身を含む): 26659584

約数和(自身を除く): 4752041

約数列:

[1, 7, 17, 119, 227, 811, 1589, 3859, 5677, 13787, 27013, 96509, 184097, 1288679, 3129649, 21907543]

約数ペア:

[(1, 21907543), (7, 3129649), (17, 1288679), (119, 184097), (227, 96509), (811, 27013), (1589, 13787), (3859, 5677)]