21612641545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{6991}}^1\times {\mathrm{56209}}^1$

素因数の和:63216

約数の個数: 16

約数和(自身を含む): 28297463040

約数和(自身を除く): 6684821495

約数列:

[1, 5, 11, 55, 6991, 34955, 56209, 76901, 281045, 384505, 618299, 3091495, 392957119, 1964785595, 4322528309, 21612641545]

約数ペア:

[(1, 21612641545), (5, 4322528309), (11, 1964785595), (55, 392957119), (6991, 3091495), (34955, 618299), (56209, 384505), (76901, 281045)]