21672216

素因数分解:

$2^3\times 3^2\times {\mathrm{181}}^1\times {\mathrm{1663}}^1$

素因数の和:1856

約数の個数: 48

約数和(自身を含む): 59055360

約数和(自身を除く): 37383144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 181, 362, 543, 724, 1086, 1448, 1629, 1663, 2172, 3258, 3326, 4344, 4989, 6516, 6652, 9978, 13032, 13304, 14967, 19956, 29934, 39912, 59868, 119736, 301003, 602006, 903009, 1204012, 1806018, 2408024, 2709027, 3612036, 5418054, 7224072, 10836108, 21672216]

約数ペア:

[(1, 21672216), (2, 10836108), (3, 7224072), (4, 5418054), (6, 3612036), (8, 2709027), (9, 2408024), (12, 1806018), (18, 1204012), (24, 903009), (36, 602006), (72, 301003), (181, 119736), (362, 59868), (543, 39912), (724, 29934), (1086, 19956), (1448, 14967), (1629, 13304), (1663, 13032), (2172, 9978), (3258, 6652), (3326, 6516), (4344, 4989)]