21456058

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 14469062

約数列:

[1, 2, 13, 26, 59, 71, 118, 142, 197, 394, 767, 923, 1534, 1846, 2561, 4189, 5122, 8378, 11623, 13987, 23246, 27974, 54457, 108914, 151099, 181831, 302198, 363662, 825233, 1650466, 10728029, 21456058]

約数ペア:

[(1, 21456058), (2, 10728029), (13, 1650466), (26, 825233), (59, 363662), (71, 302198), (118, 181831), (142, 151099), (197, 108914), (394, 54457), (767, 27974), (923, 23246), (1534, 13987), (1846, 11623), (2561, 8378), (4189, 5122)]