21496838152

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{552107}}^1$

素因数の和:552301

約数の個数: 32

約数和(自身を含む): 41871870720

約数和(自身を除く): 20375032568

約数列:

[1, 2, 4, 8, 31, 62, 124, 157, 248, 314, 628, 1256, 4867, 9734, 19468, 38936, 552107, 1104214, 2208428, 4416856, 17115317, 34230634, 68461268, 86680799, 136922536, 173361598, 346723196, 693446392, 2687104769, 5374209538, 10748419076, 21496838152]

約数ペア:

[(1, 21496838152), (2, 10748419076), (4, 5374209538), (8, 2687104769), (31, 693446392), (62, 346723196), (124, 173361598), (157, 136922536), (248, 86680799), (314, 68461268), (628, 34230634), (1256, 17115317), (4867, 4416856), (9734, 2208428), (19468, 1104214), (38936, 552107)]