21375345

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{21269}}^1$

素因数の和:21344

約数の個数: 16

約数和(自身を含む): 34712640

約数和(自身を除く): 13337295

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 21269, 63807, 106345, 319035, 1425023, 4275069, 7125115, 21375345]

約数ペア:

[(1, 21375345), (3, 7125115), (5, 4275069), (15, 1425023), (67, 319035), (201, 106345), (335, 63807), (1005, 21269)]