21076569

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{379}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 31536960

約数和(自身を除く): 10460391

約数列:

[1, 3, 9, 37, 111, 167, 333, 379, 501, 1137, 1503, 3411, 6179, 14023, 18537, 42069, 55611, 63293, 126207, 189879, 569637, 2341841, 7025523, 21076569]

約数ペア:

[(1, 21076569), (3, 7025523), (9, 2341841), (37, 569637), (111, 189879), (167, 126207), (333, 63293), (379, 55611), (501, 42069), (1137, 18537), (1503, 14023), (3411, 6179)]