21374568

素因数分解:

$2^3\times 3^2\times {\mathrm{307}}^1\times {\mathrm{967}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 58138080

約数和(自身を除く): 36763512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 307, 614, 921, 967, 1228, 1842, 1934, 2456, 2763, 2901, 3684, 3868, 5526, 5802, 7368, 7736, 8703, 11052, 11604, 17406, 22104, 23208, 34812, 69624, 296869, 593738, 890607, 1187476, 1781214, 2374952, 2671821, 3562428, 5343642, 7124856, 10687284, 21374568]

約数ペア:

[(1, 21374568), (2, 10687284), (3, 7124856), (4, 5343642), (6, 3562428), (8, 2671821), (9, 2374952), (12, 1781214), (18, 1187476), (24, 890607), (36, 593738), (72, 296869), (307, 69624), (614, 34812), (921, 23208), (967, 22104), (1228, 17406), (1842, 11604), (1934, 11052), (2456, 8703), (2763, 7736), (2901, 7368), (3684, 5802), (3868, 5526)]