21278232

素因数分解:

$2^3\times 3^2\times {\mathrm{59}}^1\times {\mathrm{5009}}^1$

素因数の和:5080

約数の個数: 48

約数和(自身を含む): 58617000

約数和(自身を除く): 37338768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 59, 72, 118, 177, 236, 354, 472, 531, 708, 1062, 1416, 2124, 4248, 5009, 10018, 15027, 20036, 30054, 40072, 45081, 60108, 90162, 120216, 180324, 295531, 360648, 591062, 886593, 1182124, 1773186, 2364248, 2659779, 3546372, 5319558, 7092744, 10639116, 21278232]

約数ペア:

[(1, 21278232), (2, 10639116), (3, 7092744), (4, 5319558), (6, 3546372), (8, 2659779), (9, 2364248), (12, 1773186), (18, 1182124), (24, 886593), (36, 591062), (59, 360648), (72, 295531), (118, 180324), (177, 120216), (236, 90162), (354, 60108), (472, 45081), (531, 40072), (708, 30054), (1062, 20036), (1416, 15027), (2124, 10018), (4248, 5009)]