21717211904

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{41201}}^1$

素因数の和:41317

約数の個数: 72

約数和(自身を含む): 45477119520

約数和(自身を除く): 23759907616

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 71, 116, 128, 142, 232, 256, 284, 464, 568, 928, 1136, 1856, 2059, 2272, 3712, 4118, 4544, 7424, 8236, 9088, 16472, 18176, 32944, 41201, 65888, 82402, 131776, 164804, 263552, 329608, 527104, 659216, 1194829, 1318432, 2389658, 2636864, 2925271, 4779316, 5273728, 5850542, 9558632, 10547456, 11701084, 19117264, 23402168, 38234528, 46804336, 76469056, 84832859, 93608672, 152938112, 169665718, 187217344, 305876224, 339331436, 374434688, 678662872, 748869376, 1357325744, 2714651488, 5429302976, 10858605952, 21717211904]

約数ペア:

[(1, 21717211904), (2, 10858605952), (4, 5429302976), (8, 2714651488), (16, 1357325744), (29, 748869376), (32, 678662872), (58, 374434688), (64, 339331436), (71, 305876224), (116, 187217344), (128, 169665718), (142, 152938112), (232, 93608672), (256, 84832859), (284, 76469056), (464, 46804336), (568, 38234528), (928, 23402168), (1136, 19117264), (1856, 11701084), (2059, 10547456), (2272, 9558632), (3712, 5850542), (4118, 5273728), (4544, 4779316), (7424, 2925271), (8236, 2636864), (9088, 2389658), (16472, 1318432), (18176, 1194829), (32944, 659216), (41201, 527104), (65888, 329608), (82402, 263552), (131776, 164804)]