21088440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58579}}^1$

素因数の和:58596

約数の個数: 48

約数和(自身を含む): 68538600

約数和(自身を除く): 47450160

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, 58579, 117158, 175737, 234316, 292895, 351474, 468632, 527211, 585790, 702948, 878685, 1054422, 1171580, 1405896, 1757370, 2108844, 2343160, 2636055, 3514740, 4217688, 5272110, 7029480, 10544220, 21088440]

約数ペア:

[(1, 21088440), (2, 10544220), (3, 7029480), (4, 5272110), (5, 4217688), (6, 3514740), (8, 2636055), (9, 2343160), (10, 2108844), (12, 1757370), (15, 1405896), (18, 1171580), (20, 1054422), (24, 878685), (30, 702948), (36, 585790), (40, 527211), (45, 468632), (60, 351474), (72, 292895), (90, 234316), (120, 175737), (180, 117158), (360, 58579)]