21917452

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 39690000

約数和(自身を除く): 17772548

約数列:

[1, 2, 4, 41, 82, 107, 164, 214, 428, 1249, 2498, 4387, 4996, 8774, 17548, 51209, 102418, 133643, 204836, 267286, 534572, 5479363, 10958726, 21917452]

約数ペア:

[(1, 21917452), (2, 10958726), (4, 5479363), (41, 534572), (82, 267286), (107, 204836), (164, 133643), (214, 102418), (428, 51209), (1249, 17548), (2498, 8774), (4387, 4996)]