21246525

素因数分解:

$3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1061}}^1$

素因数の和:1166

約数の個数: 36

約数和(自身を含む): 38518740

約数和(自身を除く): 17272215

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 225, 267, 445, 801, 1061, 1335, 2225, 3183, 4005, 5305, 6675, 9549, 15915, 20025, 26525, 47745, 79575, 94429, 238725, 283287, 472145, 849861, 1416435, 2360725, 4249305, 7082175, 21246525]

約数ペア:

[(1, 21246525), (3, 7082175), (5, 4249305), (9, 2360725), (15, 1416435), (25, 849861), (45, 472145), (75, 283287), (89, 238725), (225, 94429), (267, 79575), (445, 47745), (801, 26525), (1061, 20025), (1335, 15915), (2225, 9549), (3183, 6675), (4005, 5305)]