21506836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{24329}}^1$

素因数の和:24363

約数の個数: 24

約数和(自身を含む): 42918120

約数和(自身を除く): 21411284

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 24329, 48658, 97316, 316277, 413593, 632554, 827186, 1265108, 1654372, 5376709, 10753418, 21506836]

約数ペア:

[(1, 21506836), (2, 10753418), (4, 5376709), (13, 1654372), (17, 1265108), (26, 827186), (34, 632554), (52, 413593), (68, 316277), (221, 97316), (442, 48658), (884, 24329)]