21946910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{75679}}^1$

素因数の和:75715

約数の個数: 16

約数和(自身を含む): 40867200

約数和(自身を除く): 18920290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 75679, 151358, 378395, 756790, 2194691, 4389382, 10973455, 21946910]

約数ペア:

[(1, 21946910), (2, 10973455), (5, 4389382), (10, 2194691), (29, 756790), (58, 378395), (145, 151358), (290, 75679)]