21596528

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79399}}^1$

素因数の和:79424

約数の個数: 20

約数和(自身を含む): 44305200

約数和(自身を除く): 22708672

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79399, 158798, 317596, 635192, 1270384, 1349783, 2699566, 5399132, 10798264, 21596528]

約数ペア:

[(1, 21596528), (2, 10798264), (4, 5399132), (8, 2699566), (16, 1349783), (17, 1270384), (34, 635192), (68, 317596), (136, 158798), (272, 79399)]