21170872796

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{2111}}^1\times {\mathrm{19139}}^1$

素因数の和:21385

約数の個数: 24

約数和(自身を含む): 37351480320

約数和(自身を除く): 16180607524

約数列:

[1, 2, 4, 131, 262, 524, 2111, 4222, 8444, 19139, 38278, 76556, 276541, 553082, 1106164, 2507209, 5014418, 10028836, 40402429, 80804858, 161609716, 5292718199, 10585436398, 21170872796]

約数ペア:

[(1, 21170872796), (2, 10585436398), (4, 5292718199), (131, 161609716), (262, 80804858), (524, 40402429), (2111, 10028836), (4222, 5014418), (8444, 2507209), (19139, 1106164), (38278, 553082), (76556, 276541)]