21878448

素因数分解:

$2^4\times 3^1\times {\mathrm{67}}^1\times {\mathrm{6803}}^1$

素因数の和:6881

約数の個数: 40

約数和(自身を含む): 57371328

約数和(自身を除く): 35492880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 134, 201, 268, 402, 536, 804, 1072, 1608, 3216, 6803, 13606, 20409, 27212, 40818, 54424, 81636, 108848, 163272, 326544, 455801, 911602, 1367403, 1823204, 2734806, 3646408, 5469612, 7292816, 10939224, 21878448]

約数ペア:

[(1, 21878448), (2, 10939224), (3, 7292816), (4, 5469612), (6, 3646408), (8, 2734806), (12, 1823204), (16, 1367403), (24, 911602), (48, 455801), (67, 326544), (134, 163272), (201, 108848), (268, 81636), (402, 54424), (536, 40818), (804, 27212), (1072, 20409), (1608, 13606), (3216, 6803)]