21595984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79397}}^1$

素因数の和:79422

約数の個数: 20

約数和(自身を含む): 44304084

約数和(自身を除く): 22708100

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79397, 158794, 317588, 635176, 1270352, 1349749, 2699498, 5398996, 10797992, 21595984]

約数ペア:

[(1, 21595984), (2, 10797992), (4, 5398996), (8, 2699498), (16, 1349749), (17, 1270352), (34, 635176), (68, 317588), (136, 158794), (272, 79397)]