21733855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 31026240

約数和(自身を除く): 9292385

約数列:

[1, 5, 11, 13, 55, 65, 113, 143, 269, 565, 715, 1243, 1345, 1469, 2959, 3497, 6215, 7345, 14795, 16159, 17485, 30397, 38467, 80795, 151985, 192335, 334367, 395161, 1671835, 1975805, 4346771, 21733855]

約数ペア:

[(1, 21733855), (5, 4346771), (11, 1975805), (13, 1671835), (55, 395161), (65, 334367), (113, 192335), (143, 151985), (269, 80795), (565, 38467), (715, 30397), (1243, 17485), (1345, 16159), (1469, 14795), (2959, 7345), (3497, 6215)]