21298728

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{80677}}^1$

素因数の和:80697

約数の個数: 32

約数和(自身を含む): 58088160

約数和(自身を除く): 36789432

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 80677, 161354, 242031, 322708, 484062, 645416, 887447, 968124, 1774894, 1936248, 2662341, 3549788, 5324682, 7099576, 10649364, 21298728]

約数ペア:

[(1, 21298728), (2, 10649364), (3, 7099576), (4, 5324682), (6, 3549788), (8, 2662341), (11, 1936248), (12, 1774894), (22, 968124), (24, 887447), (33, 645416), (44, 484062), (66, 322708), (88, 242031), (132, 161354), (264, 80677)]