2421909

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1039}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 4110080

約数和(自身を除く): 1688171

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 1039, 2331, 3117, 7273, 9351, 21819, 38443, 65457, 115329, 269101, 345987, 807303, 2421909]

約数ペア:

[(1, 2421909), (3, 807303), (7, 345987), (9, 269101), (21, 115329), (37, 65457), (63, 38443), (111, 21819), (259, 9351), (333, 7273), (777, 3117), (1039, 2331)]