21620232340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3766591}}^1$

素因数の和:3766648

約数の個数: 48

約数和(自身を含む): 53154146304

約数和(自身を除く): 31533913964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 3766591, 7533182, 15066364, 18832955, 26366137, 37665910, 52732274, 75331820, 105464548, 131830685, 154430231, 263661370, 308860462, 527322740, 617720924, 772151155, 1081011617, 1544302310, 2162023234, 3088604620, 4324046468, 5405058085, 10810116170, 21620232340]

約数ペア:

[(1, 21620232340), (2, 10810116170), (4, 5405058085), (5, 4324046468), (7, 3088604620), (10, 2162023234), (14, 1544302310), (20, 1081011617), (28, 772151155), (35, 617720924), (41, 527322740), (70, 308860462), (82, 263661370), (140, 154430231), (164, 131830685), (205, 105464548), (287, 75331820), (410, 52732274), (574, 37665910), (820, 26366137), (1148, 18832955), (1435, 15066364), (2870, 7533182), (5740, 3766591)]