21262680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59063}}^1$

素因数の和:59080

約数の個数: 48

約数和(自身を含む): 69104880

約数和(自身を除く): 47842200

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, 59063, 118126, 177189, 236252, 295315, 354378, 472504, 531567, 590630, 708756, 885945, 1063134, 1181260, 1417512, 1771890, 2126268, 2362520, 2657835, 3543780, 4252536, 5315670, 7087560, 10631340, 21262680]

約数ペア:

[(1, 21262680), (2, 10631340), (3, 7087560), (4, 5315670), (5, 4252536), (6, 3543780), (8, 2657835), (9, 2362520), (10, 2126268), (12, 1771890), (15, 1417512), (18, 1181260), (20, 1063134), (24, 885945), (30, 708756), (36, 590630), (40, 531567), (45, 472504), (60, 354378), (72, 295315), (90, 236252), (120, 177189), (180, 118126), (360, 59063)]