21061780496624

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1\times {\mathrm{5269471}}^1$

素因数の和:5269894

約数の個数: 80

約数和(自身を含む): 47171301605376

約数和(自身を除く): 26109521108752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 281, 508, 562, 889, 1016, 1124, 1778, 1967, 2032, 2248, 3556, 3934, 4496, 7112, 7868, 14224, 15736, 31472, 35687, 71374, 142748, 249809, 285496, 499618, 570992, 999236, 1998472, 3996944, 5269471, 10538942, 21077884, 36886297, 42155768, 73772594, 84311536, 147545188, 295090376, 590180752, 669222817, 1338445634, 1480721351, 2676891268, 2961442702, 4684559719, 5353782536, 5922885404, 9369119438, 10365049457, 10707565072, 11845770808, 18738238876, 20730098914, 23691541616, 37476477752, 41460197828, 74952955504, 82920395656, 165840791312, 188051611577, 376103223154, 752206446308, 1316361281039, 1504412892616, 2632722562078, 3008825785232, 5265445124156, 10530890248312, 21061780496624]

約数ペア:

[(1, 21061780496624), (2, 10530890248312), (4, 5265445124156), (7, 3008825785232), (8, 2632722562078), (14, 1504412892616), (16, 1316361281039), (28, 752206446308), (56, 376103223154), (112, 188051611577), (127, 165840791312), (254, 82920395656), (281, 74952955504), (508, 41460197828), (562, 37476477752), (889, 23691541616), (1016, 20730098914), (1124, 18738238876), (1778, 11845770808), (1967, 10707565072), (2032, 10365049457), (2248, 9369119438), (3556, 5922885404), (3934, 5353782536), (4496, 4684559719), (7112, 2961442702), (7868, 2676891268), (14224, 1480721351), (15736, 1338445634), (31472, 669222817), (35687, 590180752), (71374, 295090376), (142748, 147545188), (249809, 84311536), (285496, 73772594), (499618, 42155768), (570992, 36886297), (999236, 21077884), (1998472, 10538942), (3996944, 5269471)]