21847160

素因数分解:

$2^3\times 5^1\times {\mathrm{546179}}^1$

素因数の和:546190

約数の個数: 16

約数和(自身を含む): 49156200

約数和(自身を除く): 27309040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 546179, 1092358, 2184716, 2730895, 4369432, 5461790, 10923580, 21847160]

約数ペア:

[(1, 21847160), (2, 10923580), (4, 5461790), (5, 4369432), (8, 2730895), (10, 2184716), (20, 1092358), (40, 546179)]