21412335

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10733}}^1$

素因数の和:10767

約数の個数: 32

約数和(自身を含む): 41218560

約数和(自身を除く): 19806225

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10733, 32199, 53665, 75131, 160995, 203927, 225393, 375655, 611781, 1019635, 1126965, 1427489, 3058905, 4282467, 7137445, 21412335]

約数ペア:

[(1, 21412335), (3, 7137445), (5, 4282467), (7, 3058905), (15, 1427489), (19, 1126965), (21, 1019635), (35, 611781), (57, 375655), (95, 225393), (105, 203927), (133, 160995), (285, 75131), (399, 53665), (665, 32199), (1995, 10733)]