21580166

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1831}}^1$

素因数の和:1987

約数の個数: 16

約数和(自身を含む): 33239808

約数和(自身を除く): 11659642

約数列:

[1, 2, 71, 83, 142, 166, 1831, 3662, 5893, 11786, 130001, 151973, 260002, 303946, 10790083, 21580166]

約数ペア:

[(1, 21580166), (2, 10790083), (71, 303946), (83, 260002), (142, 151973), (166, 130001), (1831, 11786), (3662, 5893)]