21702072

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1279}}^1$

素因数の和:1396

約数の個数: 64

約数和(自身を含む): 62668800

約数和(自身を除く): 40966728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 101, 168, 202, 303, 404, 606, 707, 808, 1212, 1279, 1414, 2121, 2424, 2558, 2828, 3837, 4242, 5116, 5656, 7674, 8484, 8953, 10232, 15348, 16968, 17906, 26859, 30696, 35812, 53718, 71624, 107436, 129179, 214872, 258358, 387537, 516716, 775074, 904253, 1033432, 1550148, 1808506, 2712759, 3100296, 3617012, 5425518, 7234024, 10851036, 21702072]

約数ペア:

[(1, 21702072), (2, 10851036), (3, 7234024), (4, 5425518), (6, 3617012), (7, 3100296), (8, 2712759), (12, 1808506), (14, 1550148), (21, 1033432), (24, 904253), (28, 775074), (42, 516716), (56, 387537), (84, 258358), (101, 214872), (168, 129179), (202, 107436), (303, 71624), (404, 53718), (606, 35812), (707, 30696), (808, 26859), (1212, 17906), (1279, 16968), (1414, 15348), (2121, 10232), (2424, 8953), (2558, 8484), (2828, 7674), (3837, 5656), (4242, 5116)]