21999110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10837}}^1$

素因数の和:10880

約数の個数: 32

約数和(自身を含む): 46820160

約数和(自身を除く): 24821050

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10837, 21674, 54185, 75859, 108370, 151718, 314273, 379295, 628546, 758590, 1571365, 2199911, 3142730, 4399822, 10999555, 21999110]

約数ペア:

[(1, 21999110), (2, 10999555), (5, 4399822), (7, 3142730), (10, 2199911), (14, 1571365), (29, 758590), (35, 628546), (58, 379295), (70, 314273), (145, 151718), (203, 108370), (290, 75859), (406, 54185), (1015, 21674), (2030, 10837)]