21541986

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{14419}}^1$

素因数の和:14510

約数の個数: 24

約数和(自身を含む): 47239920

約数和(自身を除く): 25697934

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 498, 747, 1494, 14419, 28838, 43257, 86514, 129771, 259542, 1196777, 2393554, 3590331, 7180662, 10770993, 21541986]

約数ペア:

[(1, 21541986), (2, 10770993), (3, 7180662), (6, 3590331), (9, 2393554), (18, 1196777), (83, 259542), (166, 129771), (249, 86514), (498, 43257), (747, 28838), (1494, 14419)]