21745652

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16831}}^1$

素因数の和:16871

約数の個数: 24

約数和(自身を含む): 42416640

約数和(自身を除く): 20670988

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16831, 33662, 67324, 286127, 319789, 572254, 639578, 1144508, 1279156, 5436413, 10872826, 21745652]

約数ペア:

[(1, 21745652), (2, 10872826), (4, 5436413), (17, 1279156), (19, 1144508), (34, 639578), (38, 572254), (68, 319789), (76, 286127), (323, 67324), (646, 33662), (1292, 16831)]