21912858128

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{62131}}^1$

素因数の和:62260

約数の個数: 80

約数和(自身を含む): 50294114304

約数和(自身を除く): 28381256176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 67, 94, 112, 134, 188, 268, 329, 376, 469, 536, 658, 752, 938, 1072, 1316, 1876, 2632, 3149, 3752, 5264, 6298, 7504, 12596, 22043, 25192, 44086, 50384, 62131, 88172, 124262, 176344, 248524, 352688, 434917, 497048, 869834, 994096, 1739668, 2920157, 3479336, 4162777, 5840314, 6958672, 8325554, 11680628, 16651108, 20441099, 23361256, 29139439, 33302216, 40882198, 46722512, 58278878, 66604432, 81764396, 116557756, 163528792, 195650519, 233115512, 327057584, 391301038, 466231024, 782602076, 1369553633, 1565204152, 2739107266, 3130408304, 5478214532, 10956429064, 21912858128]

約数ペア:

[(1, 21912858128), (2, 10956429064), (4, 5478214532), (7, 3130408304), (8, 2739107266), (14, 1565204152), (16, 1369553633), (28, 782602076), (47, 466231024), (56, 391301038), (67, 327057584), (94, 233115512), (112, 195650519), (134, 163528792), (188, 116557756), (268, 81764396), (329, 66604432), (376, 58278878), (469, 46722512), (536, 40882198), (658, 33302216), (752, 29139439), (938, 23361256), (1072, 20441099), (1316, 16651108), (1876, 11680628), (2632, 8325554), (3149, 6958672), (3752, 5840314), (5264, 4162777), (6298, 3479336), (7504, 2920157), (12596, 1739668), (22043, 994096), (25192, 869834), (44086, 497048), (50384, 434917), (62131, 352688), (88172, 248524), (124262, 176344)]