21000314634

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2153}}^1\times {\mathrm{5437}}^1$

素因数の和:7631

約数の個数: 64

約数和(自身を含む): 47228638464

約数和(自身を除く): 26228323830

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 2153, 4306, 5437, 6459, 10874, 12918, 16311, 27989, 32622, 49519, 55978, 70681, 83967, 99038, 125051, 141362, 148557, 167934, 212043, 250102, 297114, 375153, 424086, 643747, 750306, 1287494, 1625663, 1931241, 3251326, 3862482, 4876989, 9753978, 11705861, 23411722, 35117583, 70235166, 152176193, 269234803, 304352386, 456528579, 538469606, 807704409, 913057158, 1615408818, 3500052439, 7000104878, 10500157317, 21000314634]

約数ペア:

[(1, 21000314634), (2, 10500157317), (3, 7000104878), (6, 3500052439), (13, 1615408818), (23, 913057158), (26, 807704409), (39, 538469606), (46, 456528579), (69, 304352386), (78, 269234803), (138, 152176193), (299, 70235166), (598, 35117583), (897, 23411722), (1794, 11705861), (2153, 9753978), (4306, 4876989), (5437, 3862482), (6459, 3251326), (10874, 1931241), (12918, 1625663), (16311, 1287494), (27989, 750306), (32622, 643747), (49519, 424086), (55978, 375153), (70681, 297114), (83967, 250102), (99038, 212043), (125051, 167934), (141362, 148557)]