21786453

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6421}}^1$

素因数の和:6469

約数の個数: 24

約数和(自身を含む): 35064120

約数和(自身を除く): 13277667

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 6421, 19263, 57789, 83473, 186209, 250419, 558627, 751257, 1675881, 2420717, 7262151, 21786453]

約数ペア:

[(1, 21786453), (3, 7262151), (9, 2420717), (13, 1675881), (29, 751257), (39, 558627), (87, 250419), (117, 186209), (261, 83473), (377, 57789), (1131, 19263), (3393, 6421)]