21851694

素因数分解:

$2^1\times 3^4\times {\mathrm{134887}}^1$

素因数の和:134901

約数の個数: 20

約数和(自身を含む): 48964344

約数和(自身を除く): 27112650

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 134887, 269774, 404661, 809322, 1213983, 2427966, 3641949, 7283898, 10925847, 21851694]

約数ペア:

[(1, 21851694), (2, 10925847), (3, 7283898), (6, 3641949), (9, 2427966), (18, 1213983), (27, 809322), (54, 404661), (81, 269774), (162, 134887)]