21092335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3797}}^1$

素因数の和:3914

約数の個数: 16

約数和(自身を含む): 27892512

約数和(自身を除く): 6800177

約数列:

[1, 5, 11, 55, 101, 505, 1111, 3797, 5555, 18985, 41767, 208835, 383497, 1917485, 4218467, 21092335]

約数ペア:

[(1, 21092335), (5, 4218467), (11, 1917485), (55, 383497), (101, 208835), (505, 41767), (1111, 18985), (3797, 5555)]