21962526976

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{140411}}^1$

素因数の和:140487

約数の個数: 72

約数和(自身を含む): 48216357504

約数和(自身を除く): 26253830528

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 64, 94, 104, 128, 188, 208, 256, 376, 416, 611, 752, 832, 1222, 1504, 1664, 2444, 3008, 3328, 4888, 6016, 9776, 12032, 19552, 39104, 78208, 140411, 156416, 280822, 561644, 1123288, 1825343, 2246576, 3650686, 4493152, 6599317, 7301372, 8986304, 13198634, 14602744, 17972608, 26397268, 29205488, 35945216, 52794536, 58410976, 85791121, 105589072, 116821952, 171582242, 211178144, 233643904, 343164484, 422356288, 467287808, 686328968, 844712576, 1372657936, 1689425152, 2745315872, 5490631744, 10981263488, 21962526976]

約数ペア:

[(1, 21962526976), (2, 10981263488), (4, 5490631744), (8, 2745315872), (13, 1689425152), (16, 1372657936), (26, 844712576), (32, 686328968), (47, 467287808), (52, 422356288), (64, 343164484), (94, 233643904), (104, 211178144), (128, 171582242), (188, 116821952), (208, 105589072), (256, 85791121), (376, 58410976), (416, 52794536), (611, 35945216), (752, 29205488), (832, 26397268), (1222, 17972608), (1504, 14602744), (1664, 13198634), (2444, 8986304), (3008, 7301372), (3328, 6599317), (4888, 4493152), (6016, 3650686), (9776, 2246576), (12032, 1825343), (19552, 1123288), (39104, 561644), (78208, 280822), (140411, 156416)]