21334575

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{577}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 38702880

約数和(自身を除く): 17368305

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 255, 425, 435, 493, 577, 725, 1275, 1479, 1731, 2175, 2465, 2885, 7395, 8655, 9809, 12325, 14425, 16733, 29427, 36975, 43275, 49045, 50199, 83665, 147135, 245225, 250995, 284461, 418325, 735675, 853383, 1254975, 1422305, 4266915, 7111525, 21334575]

約数ペア:

[(1, 21334575), (3, 7111525), (5, 4266915), (15, 1422305), (17, 1254975), (25, 853383), (29, 735675), (51, 418325), (75, 284461), (85, 250995), (87, 245225), (145, 147135), (255, 83665), (425, 50199), (435, 49045), (493, 43275), (577, 36975), (725, 29427), (1275, 16733), (1479, 14425), (1731, 12325), (2175, 9809), (2465, 8655), (2885, 7395)]