21170291935

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1351439}}^1$

素因数の和:1351698

約数の個数: 16

約数和(自身を含む): 27472072320

約数和(自身を除く): 6301780385

約数列:

[1, 5, 13, 65, 241, 1205, 3133, 15665, 1351439, 6757195, 17568707, 87843535, 325696799, 1628483995, 4234058387, 21170291935]

約数ペア:

[(1, 21170291935), (5, 4234058387), (13, 1628483995), (65, 325696799), (241, 87843535), (1205, 17568707), (3133, 6757195), (15665, 1351439)]