21106864

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{4297}}^1$

素因数の和:4612

約数の個数: 20

約数和(自身を含む): 41037304

約数和(自身を除く): 19930440

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4297, 4912, 8594, 17188, 34376, 68752, 1319179, 2638358, 5276716, 10553432, 21106864]

約数ペア:

[(1, 21106864), (2, 10553432), (4, 5276716), (8, 2638358), (16, 1319179), (307, 68752), (614, 34376), (1228, 17188), (2456, 8594), (4297, 4912)]