21960144

素因数分解:

$2^4\times 3^2\times {\mathrm{152501}}^1$

素因数の和:152515

約数の個数: 30

約数和(自身を含む): 61458306

約数和(自身を除く): 39498162

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 152501, 305002, 457503, 610004, 915006, 1220008, 1372509, 1830012, 2440016, 2745018, 3660024, 5490036, 7320048, 10980072, 21960144]

約数ペア:

[(1, 21960144), (2, 10980072), (3, 7320048), (4, 5490036), (6, 3660024), (8, 2745018), (9, 2440016), (12, 1830012), (16, 1372509), (18, 1220008), (24, 915006), (36, 610004), (48, 457503), (72, 305002), (144, 152501)]