21605508

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{10529}}^1$

素因数の和:10561

約数の個数: 48

約数和(自身を含む): 58968000

約数和(自身を除く): 37362492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 10529, 21058, 31587, 42116, 63174, 94761, 126348, 189522, 200051, 284283, 379044, 400102, 568566, 600153, 800204, 1137132, 1200306, 1800459, 2400612, 3600918, 5401377, 7201836, 10802754, 21605508]

約数ペア:

[(1, 21605508), (2, 10802754), (3, 7201836), (4, 5401377), (6, 3600918), (9, 2400612), (12, 1800459), (18, 1200306), (19, 1137132), (27, 800204), (36, 600153), (38, 568566), (54, 400102), (57, 379044), (76, 284283), (108, 200051), (114, 189522), (171, 126348), (228, 94761), (342, 63174), (513, 42116), (684, 31587), (1026, 21058), (2052, 10529)]