21949328

素因数分解:

$2^4\times {\mathrm{1109}}^1\times {\mathrm{1237}}^1$

素因数の和:2354

約数の個数: 20

約数和(自身を含む): 42599580

約数和(自身を除く): 20650252

約数列:

[1, 2, 4, 8, 16, 1109, 1237, 2218, 2474, 4436, 4948, 8872, 9896, 17744, 19792, 1371833, 2743666, 5487332, 10974664, 21949328]

約数ペア:

[(1, 21949328), (2, 10974664), (4, 5487332), (8, 2743666), (16, 1371833), (1109, 19792), (1237, 17744), (2218, 9896), (2474, 8872), (4436, 4948)]