21705660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{120587}}^1$

素因数の和:120602

約数の個数: 36

約数和(自身を含む): 65841048

約数和(自身を除く): 44135388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 120587, 241174, 361761, 482348, 602935, 723522, 1085283, 1205870, 1447044, 1808805, 2170566, 2411740, 3617610, 4341132, 5426415, 7235220, 10852830, 21705660]

約数ペア:

[(1, 21705660), (2, 10852830), (3, 7235220), (4, 5426415), (5, 4341132), (6, 3617610), (9, 2411740), (10, 2170566), (12, 1808805), (15, 1447044), (18, 1205870), (20, 1085283), (30, 723522), (36, 602935), (45, 482348), (60, 361761), (90, 241174), (180, 120587)]