21505470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{102407}}^1$

素因数の和:102424

約数の個数: 32

約数和(自身を含む): 58987008

約数和(自身を除く): 37481538

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 102407, 204814, 307221, 512035, 614442, 716849, 1024070, 1433698, 1536105, 2150547, 3072210, 3584245, 4301094, 7168490, 10752735, 21505470]

約数ペア:

[(1, 21505470), (2, 10752735), (3, 7168490), (5, 4301094), (6, 3584245), (7, 3072210), (10, 2150547), (14, 1536105), (15, 1433698), (21, 1024070), (30, 716849), (35, 614442), (42, 512035), (70, 307221), (105, 204814), (210, 102407)]