21301688

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{43651}}^1$

素因数の和:43718

約数の個数: 16

約数和(自身を含む): 40596360

約数和(自身を除く): 19294672

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 43651, 87302, 174604, 349208, 2662711, 5325422, 10650844, 21301688]

約数ペア:

[(1, 21301688), (2, 10650844), (4, 5325422), (8, 2662711), (61, 349208), (122, 174604), (244, 87302), (488, 43651)]