21947580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121931}}^1$

素因数の和:121946

約数の個数: 36

約数和(自身を含む): 66574872

約数和(自身を除く): 44627292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121931, 243862, 365793, 487724, 609655, 731586, 1097379, 1219310, 1463172, 1828965, 2194758, 2438620, 3657930, 4389516, 5486895, 7315860, 10973790, 21947580]

約数ペア:

[(1, 21947580), (2, 10973790), (3, 7315860), (4, 5486895), (5, 4389516), (6, 3657930), (9, 2438620), (10, 2194758), (12, 1828965), (15, 1463172), (18, 1219310), (20, 1097379), (30, 731586), (36, 609655), (45, 487724), (60, 365793), (90, 243862), (180, 121931)]