21175395

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 13868445

約数列:

[1, 3, 5, 15, 59, 71, 177, 213, 295, 337, 355, 885, 1011, 1065, 1685, 4189, 5055, 12567, 19883, 20945, 23927, 59649, 62835, 71781, 99415, 119635, 298245, 358905, 1411693, 4235079, 7058465, 21175395]

約数ペア:

[(1, 21175395), (3, 7058465), (5, 4235079), (15, 1411693), (59, 358905), (71, 298245), (177, 119635), (213, 99415), (295, 71781), (337, 62835), (355, 59649), (885, 23927), (1011, 20945), (1065, 19883), (1685, 12567), (4189, 5055)]