21130619916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1279}}^1\times {\mathrm{196681}}^1$

素因数の和:197974

約数の個数: 48

約数和(自身を含む): 56392663040

約数和(自身を除く): 35262043124

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1279, 2558, 3837, 5116, 7674, 8953, 15348, 17906, 26859, 35812, 53718, 107436, 196681, 393362, 590043, 786724, 1180086, 1376767, 2360172, 2753534, 4130301, 5507068, 8260602, 16521204, 251554999, 503109998, 754664997, 1006219996, 1509329994, 1760884993, 3018659988, 3521769986, 5282654979, 7043539972, 10565309958, 21130619916]

約数ペア:

[(1, 21130619916), (2, 10565309958), (3, 7043539972), (4, 5282654979), (6, 3521769986), (7, 3018659988), (12, 1760884993), (14, 1509329994), (21, 1006219996), (28, 754664997), (42, 503109998), (84, 251554999), (1279, 16521204), (2558, 8260602), (3837, 5507068), (5116, 4130301), (7674, 2753534), (8953, 2360172), (15348, 1376767), (17906, 1180086), (26859, 786724), (35812, 590043), (53718, 393362), (107436, 196681)]