21817080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20201}}^1$

素因数の和:20221

約数の個数: 64

約数和(自身を含む): 72727200

約数和(自身を除く): 50910120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 20201, 40402, 60603, 80804, 101005, 121206, 161608, 181809, 202010, 242412, 303015, 363618, 404020, 484824, 545427, 606030, 727236, 808040, 909045, 1090854, 1212060, 1454472, 1818090, 2181708, 2424120, 2727135, 3636180, 4363416, 5454270, 7272360, 10908540, 21817080]

約数ペア:

[(1, 21817080), (2, 10908540), (3, 7272360), (4, 5454270), (5, 4363416), (6, 3636180), (8, 2727135), (9, 2424120), (10, 2181708), (12, 1818090), (15, 1454472), (18, 1212060), (20, 1090854), (24, 909045), (27, 808040), (30, 727236), (36, 606030), (40, 545427), (45, 484824), (54, 404020), (60, 363618), (72, 303015), (90, 242412), (108, 202010), (120, 181809), (135, 161608), (180, 121206), (216, 101005), (270, 80804), (360, 60603), (540, 40402), (1080, 20201)]