21656901568

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:331

約数の個数: 224

約数和(自身を含む): 48390340608

約数和(自身を除く): 26733439040

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 37, 46, 62, 64, 74, 92, 101, 124, 127, 148, 184, 202, 248, 254, 296, 368, 404, 496, 508, 592, 713, 736, 808, 851, 992, 1016, 1147, 1184, 1426, 1472, 1616, 1702, 1984, 2032, 2294, 2323, 2368, 2852, 2921, 3131, 3232, 3404, 3737, 3937, 4064, 4588, 4646, 4699, 5704, 5842, 6262, 6464, 6808, 7474, 7874, 8128, 9176, 9292, 9398, 11408, 11684, 12524, 12827, 13616, 14948, 15748, 18352, 18584, 18796, 22816, 23368, 25048, 25654, 26381, 27232, 29896, 31496, 36704, 37168, 37592, 45632, 46736, 50096, 51308, 52762, 54464, 59792, 62992, 72013, 73408, 74336, 75184, 85951, 90551, 93472, 100192, 102616, 105524, 108077, 115847, 119584, 125984, 144026, 145669, 148672, 150368, 171902, 181102, 186944, 200384, 205232, 211048, 216154, 231694, 239168, 251968, 288052, 291338, 295021, 300736, 343804, 362204, 397637, 410464, 422096, 432308, 463388, 474599, 576104, 582676, 590042, 687608, 724408, 795274, 820928, 844192, 864616, 926776, 949198, 1152208, 1165352, 1180084, 1375216, 1448816, 1590548, 1688384, 1729232, 1853552, 1898396, 2304416, 2330704, 2360168, 2664481, 2750432, 2897632, 3181096, 3350387, 3458464, 3707104, 3796792, 4608832, 4661408, 4720336, 5328962, 5500864, 5795264, 6362192, 6700774, 6916928, 7414208, 7593584, 9145651, 9322816, 9440672, 10657924, 10915777, 12724384, 13401548, 14712569, 15187168, 18291302, 18881344, 21315848, 21831554, 25448768, 26803096, 29425138, 30374336, 36582604, 42631696, 43663108, 53606192, 58850276, 73165208, 85263392, 87326216, 107212384, 117700552, 146330416, 170526784, 174652432, 214424768, 235401104, 292660832, 338389087, 349304864, 470802208, 585321664, 676778174, 698609728, 941604416, 1353556348, 2707112696, 5414225392, 10828450784, 21656901568]

約数ペア:

[(1, 21656901568), (2, 10828450784), (4, 5414225392), (8, 2707112696), (16, 1353556348), (23, 941604416), (31, 698609728), (32, 676778174), (37, 585321664), (46, 470802208), (62, 349304864), (64, 338389087), (74, 292660832), (92, 235401104), (101, 214424768), (124, 174652432), (127, 170526784), (148, 146330416), (184, 117700552), (202, 107212384), (248, 87326216), (254, 85263392), (296, 73165208), (368, 58850276), (404, 53606192), (496, 43663108), (508, 42631696), (592, 36582604), (713, 30374336), (736, 29425138), (808, 26803096), (851, 25448768), (992, 21831554), (1016, 21315848), (1147, 18881344), (1184, 18291302), (1426, 15187168), (1472, 14712569), (1616, 13401548), (1702, 12724384), (1984, 10915777), (2032, 10657924), (2294, 9440672), (2323, 9322816), (2368, 9145651), (2852, 7593584), (2921, 7414208), (3131, 6916928), (3232, 6700774), (3404, 6362192), (3737, 5795264), (3937, 5500864), (4064, 5328962), (4588, 4720336), (4646, 4661408), (4699, 4608832), (5704, 3796792), (5842, 3707104), (6262, 3458464), (6464, 3350387), (6808, 3181096), (7474, 2897632), (7874, 2750432), (8128, 2664481), (9176, 2360168), (9292, 2330704), (9398, 2304416), (11408, 1898396), (11684, 1853552), (12524, 1729232), (12827, 1688384), (13616, 1590548), (14948, 1448816), (15748, 1375216), (18352, 1180084), (18584, 1165352), (18796, 1152208), (22816, 949198), (23368, 926776), (25048, 864616), (25654, 844192), (26381, 820928), (27232, 795274), (29896, 724408), (31496, 687608), (36704, 590042), (37168, 582676), (37592, 576104), (45632, 474599), (46736, 463388), (50096, 432308), (51308, 422096), (52762, 410464), (54464, 397637), (59792, 362204), (62992, 343804), (72013, 300736), (73408, 295021), (74336, 291338), (75184, 288052), (85951, 251968), (90551, 239168), (93472, 231694), (100192, 216154), (102616, 211048), (105524, 205232), (108077, 200384), (115847, 186944), (119584, 181102), (125984, 171902), (144026, 150368), (145669, 148672)]