21547152

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 120

約数和(自身を含む): 67162368

約数和(自身を除く): 45615216

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 61, 66, 72, 88, 99, 122, 132, 144, 176, 183, 198, 223, 244, 264, 366, 396, 446, 488, 528, 549, 669, 671, 732, 792, 892, 976, 1098, 1338, 1342, 1464, 1584, 1784, 2007, 2013, 2196, 2453, 2676, 2684, 2928, 3568, 4014, 4026, 4392, 4906, 5352, 5368, 6039, 7359, 8028, 8052, 8784, 9812, 10704, 10736, 12078, 13603, 14718, 16056, 16104, 19624, 22077, 24156, 27206, 29436, 32112, 32208, 39248, 40809, 44154, 48312, 54412, 58872, 81618, 88308, 96624, 108824, 117744, 122427, 149633, 163236, 176616, 217648, 244854, 299266, 326472, 353232, 448899, 489708, 598532, 652944, 897798, 979416, 1197064, 1346697, 1795596, 1958832, 2394128, 2693394, 3591192, 5386788, 7182384, 10773576, 21547152]

約数ペア:

[(1, 21547152), (2, 10773576), (3, 7182384), (4, 5386788), (6, 3591192), (8, 2693394), (9, 2394128), (11, 1958832), (12, 1795596), (16, 1346697), (18, 1197064), (22, 979416), (24, 897798), (33, 652944), (36, 598532), (44, 489708), (48, 448899), (61, 353232), (66, 326472), (72, 299266), (88, 244854), (99, 217648), (122, 176616), (132, 163236), (144, 149633), (176, 122427), (183, 117744), (198, 108824), (223, 96624), (244, 88308), (264, 81618), (366, 58872), (396, 54412), (446, 48312), (488, 44154), (528, 40809), (549, 39248), (669, 32208), (671, 32112), (732, 29436), (792, 27206), (892, 24156), (976, 22077), (1098, 19624), (1338, 16104), (1342, 16056), (1464, 14718), (1584, 13603), (1784, 12078), (2007, 10736), (2013, 10704), (2196, 9812), (2453, 8784), (2676, 8052), (2684, 8028), (2928, 7359), (3568, 6039), (4014, 5368), (4026, 5352), (4392, 4906)]