2021314256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9717857}}^1$

素因数の和:9717878

約数の個数: 20

約数和(自身を含む): 4217550372

約数和(自身を除く): 2196236116

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9717857, 19435714, 38871428, 77742856, 126332141, 155485712, 252664282, 505328564, 1010657128, 2021314256]

約数ペア:

[(1, 2021314256), (2, 1010657128), (4, 505328564), (8, 252664282), (13, 155485712), (16, 126332141), (26, 77742856), (52, 38871428), (104, 19435714), (208, 9717857)]