21562983

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2671}}^1$

素因数の和:2716

約数の個数: 32

約数和(自身を含む): 35911680

約数和(自身を除く): 14348697

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2671, 2691, 8013, 8073, 24039, 34723, 61433, 72117, 104169, 184299, 312507, 552897, 798629, 937521, 1658691, 2395887, 7187661, 21562983]

約数ペア:

[(1, 21562983), (3, 7187661), (9, 2395887), (13, 1658691), (23, 937521), (27, 798629), (39, 552897), (69, 312507), (117, 184299), (207, 104169), (299, 72117), (351, 61433), (621, 34723), (897, 24039), (2671, 8073), (2691, 8013)]