21413310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 53844480

約数和(自身を除く): 32431170

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 151, 163, 174, 290, 302, 326, 435, 453, 489, 755, 815, 870, 906, 978, 1510, 1630, 2265, 2445, 4379, 4530, 4727, 4890, 8758, 9454, 13137, 14181, 21895, 23635, 24613, 26274, 28362, 43790, 47270, 49226, 65685, 70905, 73839, 123065, 131370, 141810, 147678, 246130, 369195, 713777, 738390, 1427554, 2141331, 3568885, 4282662, 7137770, 10706655, 21413310]

約数ペア:

[(1, 21413310), (2, 10706655), (3, 7137770), (5, 4282662), (6, 3568885), (10, 2141331), (15, 1427554), (29, 738390), (30, 713777), (58, 369195), (87, 246130), (145, 147678), (151, 141810), (163, 131370), (174, 123065), (290, 73839), (302, 70905), (326, 65685), (435, 49226), (453, 47270), (489, 43790), (755, 28362), (815, 26274), (870, 24613), (906, 23635), (978, 21895), (1510, 14181), (1630, 13137), (2265, 9454), (2445, 8758), (4379, 4890), (4530, 4727)]