21645480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{180379}}^1$

素因数の和:180393

約数の個数: 32

約数和(自身を含む): 64936800

約数和(自身を除く): 43291320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 180379, 360758, 541137, 721516, 901895, 1082274, 1443032, 1803790, 2164548, 2705685, 3607580, 4329096, 5411370, 7215160, 10822740, 21645480]

約数ペア:

[(1, 21645480), (2, 10822740), (3, 7215160), (4, 5411370), (5, 4329096), (6, 3607580), (8, 2705685), (10, 2164548), (12, 1803790), (15, 1443032), (20, 1082274), (24, 901895), (30, 721516), (40, 541137), (60, 360758), (120, 180379)]