21435395

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1063}}^1$

素因数の和:1214

約数の個数: 16

約数和(自身を含む): 26685120

約数和(自身を除く): 5249725

約数列:

[1, 5, 37, 109, 185, 545, 1063, 4033, 5315, 20165, 39331, 115867, 196655, 579335, 4287079, 21435395]

約数ペア:

[(1, 21435395), (5, 4287079), (37, 579335), (109, 196655), (185, 115867), (545, 39331), (1063, 20165), (4033, 5315)]