21810960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{30293}}^1$

素因数の和:30312

約数の個数: 60

約数和(自身を含む): 73250892

約数和(自身を除く): 51439932

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 30293, 60586, 90879, 121172, 151465, 181758, 242344, 272637, 302930, 363516, 454395, 484688, 545274, 605860, 727032, 908790, 1090548, 1211720, 1363185, 1454064, 1817580, 2181096, 2423440, 2726370, 3635160, 4362192, 5452740, 7270320, 10905480, 21810960]

約数ペア:

[(1, 21810960), (2, 10905480), (3, 7270320), (4, 5452740), (5, 4362192), (6, 3635160), (8, 2726370), (9, 2423440), (10, 2181096), (12, 1817580), (15, 1454064), (16, 1363185), (18, 1211720), (20, 1090548), (24, 908790), (30, 727032), (36, 605860), (40, 545274), (45, 484688), (48, 454395), (60, 363516), (72, 302930), (80, 272637), (90, 242344), (120, 181758), (144, 151465), (180, 121172), (240, 90879), (360, 60586), (720, 30293)]