21747632

素因数分解:

$2^4\times {\mathrm{293}}^1\times {\mathrm{4639}}^1$

素因数の和:4940

約数の個数: 20

約数和(自身を含む): 42288960

約数和(自身を除く): 20541328

約数列:

[1, 2, 4, 8, 16, 293, 586, 1172, 2344, 4639, 4688, 9278, 18556, 37112, 74224, 1359227, 2718454, 5436908, 10873816, 21747632]

約数ペア:

[(1, 21747632), (2, 10873816), (4, 5436908), (8, 2718454), (16, 1359227), (293, 74224), (586, 37112), (1172, 18556), (2344, 9278), (4639, 4688)]