21961136

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:833

約数の個数: 40

約数和(自身を含む): 44997120

約数和(自身を除く): 23035984

約数列:

[1, 2, 4, 8, 16, 23, 46, 83, 92, 166, 184, 332, 368, 664, 719, 1328, 1438, 1909, 2876, 3818, 5752, 7636, 11504, 15272, 16537, 30544, 33074, 59677, 66148, 119354, 132296, 238708, 264592, 477416, 954832, 1372571, 2745142, 5490284, 10980568, 21961136]

約数ペア:

[(1, 21961136), (2, 10980568), (4, 5490284), (8, 2745142), (16, 1372571), (23, 954832), (46, 477416), (83, 264592), (92, 238708), (166, 132296), (184, 119354), (332, 66148), (368, 59677), (664, 33074), (719, 30544), (1328, 16537), (1438, 15272), (1909, 11504), (2876, 7636), (3818, 5752)]