21297240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59159}}^1$

素因数の和:59176

約数の個数: 48

約数和(自身を含む): 69217200

約数和(自身を除く): 47919960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 59159, 118318, 177477, 236636, 295795, 354954, 473272, 532431, 591590, 709908, 887385, 1064862, 1183180, 1419816, 1774770, 2129724, 2366360, 2662155, 3549540, 4259448, 5324310, 7099080, 10648620, 21297240]

約数ペア:

[(1, 21297240), (2, 10648620), (3, 7099080), (4, 5324310), (5, 4259448), (6, 3549540), (8, 2662155), (9, 2366360), (10, 2129724), (12, 1774770), (15, 1419816), (18, 1183180), (20, 1064862), (24, 887385), (30, 709908), (36, 591590), (40, 532431), (45, 473272), (60, 354954), (72, 295795), (90, 236636), (120, 177477), (180, 118318), (360, 59159)]