21159380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96179}}^1$

素因数の和:96199

約数の個数: 24

約数和(自身を含む): 48474720

約数和(自身を除く): 27315340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96179, 192358, 384716, 480895, 961790, 1057969, 1923580, 2115938, 4231876, 5289845, 10579690, 21159380]

約数ペア:

[(1, 21159380), (2, 10579690), (4, 5289845), (5, 4231876), (10, 2115938), (11, 1923580), (20, 1057969), (22, 961790), (44, 480895), (55, 384716), (110, 192358), (220, 96179)]