21133827

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16421}}^1$

素因数の和:16451

約数の個数: 24

約数和(自身を含む): 35865648

約数和(自身を除く): 14731821

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16421, 49263, 147789, 180631, 213473, 541893, 640419, 1625679, 1921257, 2348203, 7044609, 21133827]

約数ペア:

[(1, 21133827), (3, 7044609), (9, 2348203), (11, 1921257), (13, 1625679), (33, 640419), (39, 541893), (99, 213473), (117, 180631), (143, 147789), (429, 49263), (1287, 16421)]