21810060

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13463}}^1$

素因数の和:13484

約数の個数: 60

約数和(自身を含む): 68424048

約数和(自身を除く): 46613988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 13463, 26926, 40389, 53852, 67315, 80778, 121167, 134630, 161556, 201945, 242334, 269260, 363501, 403890, 484668, 605835, 727002, 807780, 1090503, 1211670, 1454004, 1817505, 2181006, 2423340, 3635010, 4362012, 5452515, 7270020, 10905030, 21810060]

約数ペア:

[(1, 21810060), (2, 10905030), (3, 7270020), (4, 5452515), (5, 4362012), (6, 3635010), (9, 2423340), (10, 2181006), (12, 1817505), (15, 1454004), (18, 1211670), (20, 1090503), (27, 807780), (30, 727002), (36, 605835), (45, 484668), (54, 403890), (60, 363501), (81, 269260), (90, 242334), (108, 201945), (135, 161556), (162, 134630), (180, 121167), (270, 80778), (324, 67315), (405, 53852), (540, 40389), (810, 26926), (1620, 13463)]