21551478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16253}}^1$

素因数の和:16288

約数の個数: 32

約数和(自身を含む): 49152096

約数和(自身を除く): 27600618

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 16253, 32506, 48759, 97518, 211289, 276301, 422578, 552602, 633867, 828903, 1267734, 1657806, 3591913, 7183826, 10775739, 21551478]

約数ペア:

[(1, 21551478), (2, 10775739), (3, 7183826), (6, 3591913), (13, 1657806), (17, 1267734), (26, 828903), (34, 633867), (39, 552602), (51, 422578), (78, 276301), (102, 211289), (221, 97518), (442, 48759), (663, 32506), (1326, 16253)]