21944144

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{80677}}^1$

素因数の和:80702

約数の個数: 20

約数和(自身を含む): 45018324

約数和(自身を除く): 23074180

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 80677, 161354, 322708, 645416, 1290832, 1371509, 2743018, 5486036, 10972072, 21944144]

約数ペア:

[(1, 21944144), (2, 10972072), (4, 5486036), (8, 2743018), (16, 1371509), (17, 1290832), (34, 645416), (68, 322708), (136, 161354), (272, 80677)]