16521540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 53437440

約数和(自身を除く): 36915900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 139, 140, 210, 278, 283, 417, 420, 556, 566, 695, 834, 849, 973, 1132, 1390, 1415, 1668, 1698, 1946, 1981, 2085, 2780, 2830, 2919, 3396, 3892, 3962, 4170, 4245, 4865, 5660, 5838, 5943, 7924, 8340, 8490, 9730, 9905, 11676, 11886, 14595, 16980, 19460, 19810, 23772, 29190, 29715, 39337, 39620, 58380, 59430, 78674, 118011, 118860, 157348, 196685, 236022, 275359, 393370, 472044, 550718, 590055, 786740, 826077, 1101436, 1180110, 1376795, 1652154, 2360220, 2753590, 3304308, 4130385, 5507180, 8260770, 16521540]

約数ペア:

[(1, 16521540), (2, 8260770), (3, 5507180), (4, 4130385), (5, 3304308), (6, 2753590), (7, 2360220), (10, 1652154), (12, 1376795), (14, 1180110), (15, 1101436), (20, 826077), (21, 786740), (28, 590055), (30, 550718), (35, 472044), (42, 393370), (60, 275359), (70, 236022), (84, 196685), (105, 157348), (139, 118860), (140, 118011), (210, 78674), (278, 59430), (283, 58380), (417, 39620), (420, 39337), (556, 29715), (566, 29190), (695, 23772), (834, 19810), (849, 19460), (973, 16980), (1132, 14595), (1390, 11886), (1415, 11676), (1668, 9905), (1698, 9730), (1946, 8490), (1981, 8340), (2085, 7924), (2780, 5943), (2830, 5838), (2919, 5660), (3396, 4865), (3892, 4245), (3962, 4170)]