21553291265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{15919}}^1$

素因数の和:16277

約数の個数: 32

約数和(自身を含む): 28610150400

約数和(自身を除く): 7056859135

約数列:

[1, 5, 11, 55, 103, 239, 515, 1133, 1195, 2629, 5665, 13145, 15919, 24617, 79595, 123085, 175109, 270787, 875545, 1353935, 1639657, 3804641, 8198285, 18036227, 19023205, 41851051, 90181135, 209255255, 391878023, 1959390115, 4310658253, 21553291265]

約数ペア:

[(1, 21553291265), (5, 4310658253), (11, 1959390115), (55, 391878023), (103, 209255255), (239, 90181135), (515, 41851051), (1133, 19023205), (1195, 18036227), (2629, 8198285), (5665, 3804641), (13145, 1639657), (15919, 1353935), (24617, 875545), (79595, 270787), (123085, 175109)]