2021271889

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 2769141760

約数和(自身を除く): 747869871

約数列:

[1, 7, 13, 19, 31, 43, 91, 133, 217, 247, 301, 403, 559, 589, 817, 877, 1333, 1729, 2821, 3913, 4123, 5719, 6139, 7657, 9331, 10621, 11401, 16663, 17329, 25327, 27187, 37711, 53599, 74347, 79807, 116641, 121303, 177289, 190309, 216619, 263977, 329251, 353431, 490243, 516553, 716509, 1169041, 1516333, 2304757, 2474017, 3431701, 3615871, 5015563, 6715189, 8183287, 9314617, 15197533, 22211779, 47006323, 65202319, 106382731, 155482453, 288753127, 2021271889]

約数ペア:

[(1, 2021271889), (7, 288753127), (13, 155482453), (19, 106382731), (31, 65202319), (43, 47006323), (91, 22211779), (133, 15197533), (217, 9314617), (247, 8183287), (301, 6715189), (403, 5015563), (559, 3615871), (589, 3431701), (817, 2474017), (877, 2304757), (1333, 1516333), (1729, 1169041), (2821, 716509), (3913, 516553), (4123, 490243), (5719, 353431), (6139, 329251), (7657, 263977), (9331, 216619), (10621, 190309), (11401, 177289), (16663, 121303), (17329, 116641), (25327, 79807), (27187, 74347), (37711, 53599)]