21677799

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^4\times {\mathrm{23}}^1$

素因数の和:89

約数の個数: 40

約数和(自身を含む): 35644032

約数和(自身を除く): 13966233

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 169, 253, 299, 429, 507, 759, 897, 1859, 2197, 3289, 3887, 5577, 6591, 9867, 11661, 24167, 28561, 42757, 50531, 72501, 85683, 128271, 151593, 314171, 555841, 656903, 942513, 1667523, 1970709, 7225933, 21677799]

約数ペア:

[(1, 21677799), (3, 7225933), (11, 1970709), (13, 1667523), (23, 942513), (33, 656903), (39, 555841), (69, 314171), (143, 151593), (169, 128271), (253, 85683), (299, 72501), (429, 50531), (507, 42757), (759, 28561), (897, 24167), (1859, 11661), (2197, 9867), (3289, 6591), (3887, 5577)]