20211732079

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1\times {\mathrm{6661}}^1$

素因数の和:7087

約数の個数: 32

約数和(自身を含む): 25464402432

約数和(自身を除く): 5252670353

約数列:

[1, 7, 11, 77, 157, 251, 1099, 1727, 1757, 2761, 6661, 12089, 19327, 39407, 46627, 73271, 275849, 433477, 512897, 1045777, 1671911, 3034339, 7320439, 11503547, 11703377, 18391021, 80524829, 128737147, 262490027, 1837430189, 2887390297, 20211732079]

約数ペア:

[(1, 20211732079), (7, 2887390297), (11, 1837430189), (77, 262490027), (157, 128737147), (251, 80524829), (1099, 18391021), (1727, 11703377), (1757, 11503547), (2761, 7320439), (6661, 3034339), (12089, 1671911), (19327, 1045777), (39407, 512897), (46627, 433477), (73271, 275849)]