21668500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 55770624

約数和(自身を除く): 34102124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 125, 140, 151, 164, 175, 205, 250, 287, 302, 350, 410, 500, 574, 604, 700, 755, 820, 875, 1025, 1057, 1148, 1435, 1510, 1750, 2050, 2114, 2870, 3020, 3500, 3775, 4100, 4228, 5125, 5285, 5740, 6191, 7175, 7550, 10250, 10570, 12382, 14350, 15100, 18875, 20500, 21140, 24764, 26425, 28700, 30955, 35875, 37750, 43337, 52850, 61910, 71750, 75500, 86674, 105700, 123820, 132125, 143500, 154775, 173348, 216685, 264250, 309550, 433370, 528500, 619100, 773875, 866740, 1083425, 1547750, 2166850, 3095500, 4333700, 5417125, 10834250, 21668500]

約数ペア:

[(1, 21668500), (2, 10834250), (4, 5417125), (5, 4333700), (7, 3095500), (10, 2166850), (14, 1547750), (20, 1083425), (25, 866740), (28, 773875), (35, 619100), (41, 528500), (50, 433370), (70, 309550), (82, 264250), (100, 216685), (125, 173348), (140, 154775), (151, 143500), (164, 132125), (175, 123820), (205, 105700), (250, 86674), (287, 75500), (302, 71750), (350, 61910), (410, 52850), (500, 43337), (574, 37750), (604, 35875), (700, 30955), (755, 28700), (820, 26425), (875, 24764), (1025, 21140), (1057, 20500), (1148, 18875), (1435, 15100), (1510, 14350), (1750, 12382), (2050, 10570), (2114, 10250), (2870, 7550), (3020, 7175), (3500, 6191), (3775, 5740), (4100, 5285), (4228, 5125)]