21652785

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2083}}^1$

素因数の和:2115

約数の個数: 64

約数和(自身を含む): 48015360

約数和(自身を除く): 26362575

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 99, 105, 135, 165, 189, 231, 297, 315, 385, 495, 693, 945, 1155, 1485, 2079, 2083, 3465, 6249, 10395, 10415, 14581, 18747, 22913, 31245, 43743, 56241, 68739, 72905, 93735, 114565, 131229, 160391, 206217, 218715, 281205, 343695, 393687, 481173, 618651, 656145, 801955, 1031085, 1443519, 1968435, 2405865, 3093255, 4330557, 7217595, 21652785]

約数ペア:

[(1, 21652785), (3, 7217595), (5, 4330557), (7, 3093255), (9, 2405865), (11, 1968435), (15, 1443519), (21, 1031085), (27, 801955), (33, 656145), (35, 618651), (45, 481173), (55, 393687), (63, 343695), (77, 281205), (99, 218715), (105, 206217), (135, 160391), (165, 131229), (189, 114565), (231, 93735), (297, 72905), (315, 68739), (385, 56241), (495, 43743), (693, 31245), (945, 22913), (1155, 18747), (1485, 14581), (2079, 10415), (2083, 10395), (3465, 6249)]