21134524528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{9643}}^1$

素因数の和:9962

約数の個数: 80

約数和(自身を含む): 45354034656

約数和(自身を除く): 24219510128

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 257, 328, 514, 533, 656, 1028, 1066, 2056, 2132, 3341, 4112, 4264, 6682, 8528, 9643, 10537, 13364, 19286, 21074, 26728, 38572, 42148, 53456, 77144, 84296, 125359, 136981, 154288, 168592, 250718, 273962, 395363, 501436, 547924, 790726, 1002872, 1095848, 1581452, 2005744, 2191696, 2478251, 3162904, 4956502, 5139719, 6325808, 9913004, 10279438, 19826008, 20558876, 32217263, 39652016, 41117752, 64434526, 82235504, 101608291, 128869052, 203216582, 257738104, 406433164, 515476208, 812866328, 1320907783, 1625732656, 2641815566, 5283631132, 10567262264, 21134524528]

約数ペア:

[(1, 21134524528), (2, 10567262264), (4, 5283631132), (8, 2641815566), (13, 1625732656), (16, 1320907783), (26, 812866328), (41, 515476208), (52, 406433164), (82, 257738104), (104, 203216582), (164, 128869052), (208, 101608291), (257, 82235504), (328, 64434526), (514, 41117752), (533, 39652016), (656, 32217263), (1028, 20558876), (1066, 19826008), (2056, 10279438), (2132, 9913004), (3341, 6325808), (4112, 5139719), (4264, 4956502), (6682, 3162904), (8528, 2478251), (9643, 2191696), (10537, 2005744), (13364, 1581452), (19286, 1095848), (21074, 1002872), (26728, 790726), (38572, 547924), (42148, 501436), (53456, 395363), (77144, 273962), (84296, 250718), (125359, 168592), (136981, 154288)]