21510508

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16649}}^1$

素因数の和:16689

約数の個数: 24

約数和(自身を含む): 41958000

約数和(自身を除く): 20447492

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16649, 33298, 66596, 283033, 316331, 566066, 632662, 1132132, 1265324, 5377627, 10755254, 21510508]

約数ペア:

[(1, 21510508), (2, 10755254), (4, 5377627), (17, 1265324), (19, 1132132), (34, 632662), (38, 566066), (68, 316331), (76, 283033), (323, 66596), (646, 33298), (1292, 16649)]