21289224

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{7331}}^1$

素因数の和:7362

約数の個数: 48

約数和(自身を含む): 58509360

約数和(自身を除く): 37220136

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 7331, 14662, 21993, 29324, 43986, 58648, 80641, 87972, 161282, 175944, 241923, 322564, 483846, 645128, 887051, 967692, 1774102, 1935384, 2661153, 3548204, 5322306, 7096408, 10644612, 21289224]

約数ペア:

[(1, 21289224), (2, 10644612), (3, 7096408), (4, 5322306), (6, 3548204), (8, 2661153), (11, 1935384), (12, 1774102), (22, 967692), (24, 887051), (33, 645128), (44, 483846), (66, 322564), (88, 241923), (121, 175944), (132, 161282), (242, 87972), (264, 80641), (363, 58648), (484, 43986), (726, 29324), (968, 21993), (1452, 14662), (2904, 7331)]