21461055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1093}}^1$

素因数の和:1136

約数の個数: 64

約数和(自身を含む): 45370368

約数和(自身を除く): 23909313

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 51, 55, 77, 85, 105, 119, 165, 187, 231, 255, 357, 385, 561, 595, 935, 1093, 1155, 1309, 1785, 2805, 3279, 3927, 5465, 6545, 7651, 12023, 16395, 18581, 19635, 22953, 36069, 38255, 55743, 60115, 84161, 92905, 114765, 130067, 180345, 204391, 252483, 278715, 390201, 420805, 613173, 650335, 1021955, 1262415, 1430737, 1951005, 3065865, 4292211, 7153685, 21461055]

約数ペア:

[(1, 21461055), (3, 7153685), (5, 4292211), (7, 3065865), (11, 1951005), (15, 1430737), (17, 1262415), (21, 1021955), (33, 650335), (35, 613173), (51, 420805), (55, 390201), (77, 278715), (85, 252483), (105, 204391), (119, 180345), (165, 130067), (187, 114765), (231, 92905), (255, 84161), (357, 60115), (385, 55743), (561, 38255), (595, 36069), (935, 22953), (1093, 19635), (1155, 18581), (1309, 16395), (1785, 12023), (2805, 7651), (3279, 6545), (3927, 5465)]