21411990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{237911}}^1$

素因数の和:237924

約数の個数: 24

約数和(自身を含む): 55671408

約数和(自身を除く): 34259418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 237911, 475822, 713733, 1189555, 1427466, 2141199, 2379110, 3568665, 4282398, 7137330, 10705995, 21411990]

約数ペア:

[(1, 21411990), (2, 10705995), (3, 7137330), (5, 4282398), (6, 3568665), (9, 2379110), (10, 2141199), (15, 1427466), (18, 1189555), (30, 713733), (45, 475822), (90, 237911)]