21692151

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2687}}^1$

素因数の和:2732

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 14434569

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2687, 2691, 8061, 8073, 24183, 34931, 61801, 72549, 104793, 185403, 314379, 556209, 803413, 943137, 1668627, 2410239, 7230717, 21692151]

約数ペア:

[(1, 21692151), (3, 7230717), (9, 2410239), (13, 1668627), (23, 943137), (27, 803413), (39, 556209), (69, 314379), (117, 185403), (207, 104793), (299, 72549), (351, 61801), (621, 34931), (897, 24183), (2687, 8073), (2691, 8061)]