21194928

素因数分解:

$2^4\times 3^2\times {\mathrm{103}}^1\times {\mathrm{1429}}^1$

素因数の和:1546

約数の個数: 60

約数和(自身を含む): 59934160

約数和(自身を除く): 38739232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 103, 144, 206, 309, 412, 618, 824, 927, 1236, 1429, 1648, 1854, 2472, 2858, 3708, 4287, 4944, 5716, 7416, 8574, 11432, 12861, 14832, 17148, 22864, 25722, 34296, 51444, 68592, 102888, 147187, 205776, 294374, 441561, 588748, 883122, 1177496, 1324683, 1766244, 2354992, 2649366, 3532488, 5298732, 7064976, 10597464, 21194928]

約数ペア:

[(1, 21194928), (2, 10597464), (3, 7064976), (4, 5298732), (6, 3532488), (8, 2649366), (9, 2354992), (12, 1766244), (16, 1324683), (18, 1177496), (24, 883122), (36, 588748), (48, 441561), (72, 294374), (103, 205776), (144, 147187), (206, 102888), (309, 68592), (412, 51444), (618, 34296), (824, 25722), (927, 22864), (1236, 17148), (1429, 14832), (1648, 12861), (1854, 11432), (2472, 8574), (2858, 7416), (3708, 5716), (4287, 4944)]