21435415

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3373}}^1$

素因数の和:3450

約数の個数: 16

約数和(自身を含む): 27207936

約数和(自身を除く): 5772521

約数列:

[1, 5, 31, 41, 155, 205, 1271, 3373, 6355, 16865, 104563, 138293, 522815, 691465, 4287083, 21435415]

約数ペア:

[(1, 21435415), (5, 4287083), (31, 691465), (41, 522815), (155, 138293), (205, 104563), (1271, 16865), (3373, 6355)]