21106326160

素因数分解:

$2^4\times 5^1\times {\mathrm{2203}}^1\times {\mathrm{119759}}^1$

素因数の和:121975

約数の個数: 40

約数和(自身を含む): 49094893440

約数和(自身を除く): 27988567280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2203, 4406, 8812, 11015, 17624, 22030, 35248, 44060, 88120, 119759, 176240, 239518, 479036, 598795, 958072, 1197590, 1916144, 2395180, 4790360, 9580720, 263829077, 527658154, 1055316308, 1319145385, 2110632616, 2638290770, 4221265232, 5276581540, 10553163080, 21106326160]

約数ペア:

[(1, 21106326160), (2, 10553163080), (4, 5276581540), (5, 4221265232), (8, 2638290770), (10, 2110632616), (16, 1319145385), (20, 1055316308), (40, 527658154), (80, 263829077), (2203, 9580720), (4406, 4790360), (8812, 2395180), (11015, 1916144), (17624, 1197590), (22030, 958072), (35248, 598795), (44060, 479036), (88120, 239518), (119759, 176240)]