21740706

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1753}}^1$

素因数の和:1827

約数の個数: 48

約数和(自身を含む): 51714936

約数和(自身を除く): 29974230

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 53, 78, 106, 117, 159, 234, 318, 477, 689, 954, 1378, 1753, 2067, 3506, 4134, 5259, 6201, 10518, 12402, 15777, 22789, 31554, 45578, 68367, 92909, 136734, 185818, 205101, 278727, 410202, 557454, 836181, 1207817, 1672362, 2415634, 3623451, 7246902, 10870353, 21740706]

約数ペア:

[(1, 21740706), (2, 10870353), (3, 7246902), (6, 3623451), (9, 2415634), (13, 1672362), (18, 1207817), (26, 836181), (39, 557454), (53, 410202), (78, 278727), (106, 205101), (117, 185818), (159, 136734), (234, 92909), (318, 68367), (477, 45578), (689, 31554), (954, 22789), (1378, 15777), (1753, 12402), (2067, 10518), (3506, 6201), (4134, 5259)]