21331791

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6287}}^1$

素因数の和:6335

約数の個数: 24

約数和(自身を含む): 34332480

約数和(自身を除く): 13000689

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 6287, 18861, 56583, 81731, 182323, 245193, 546969, 735579, 1640907, 2370199, 7110597, 21331791]

約数ペア:

[(1, 21331791), (3, 7110597), (9, 2370199), (13, 1640907), (29, 735579), (39, 546969), (87, 245193), (117, 182323), (261, 81731), (377, 56583), (1131, 18861), (3393, 6287)]