21183730

素因数分解:

$2^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{5531}}^1$

素因数の和:5921

約数の個数: 16

約数和(自身を含む): 38237184

約数和(自身を除く): 17053454

約数列:

[1, 2, 5, 10, 383, 766, 1915, 3830, 5531, 11062, 27655, 55310, 2118373, 4236746, 10591865, 21183730]

約数ペア:

[(1, 21183730), (2, 10591865), (5, 4236746), (10, 2118373), (383, 55310), (766, 27655), (1915, 11062), (3830, 5531)]