21588660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39979}}^1$

素因数の和:39997

約数の個数: 48

約数和(自身を含む): 67166400

約数和(自身を除く): 45577740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39979, 79958, 119937, 159916, 199895, 239874, 359811, 399790, 479748, 599685, 719622, 799580, 1079433, 1199370, 1439244, 1799055, 2158866, 2398740, 3598110, 4317732, 5397165, 7196220, 10794330, 21588660]

約数ペア:

[(1, 21588660), (2, 10794330), (3, 7196220), (4, 5397165), (5, 4317732), (6, 3598110), (9, 2398740), (10, 2158866), (12, 1799055), (15, 1439244), (18, 1199370), (20, 1079433), (27, 799580), (30, 719622), (36, 599685), (45, 479748), (54, 399790), (60, 359811), (90, 239874), (108, 199895), (135, 159916), (180, 119937), (270, 79958), (540, 39979)]