21000966528

素因数分解:

$2^7\times 3^1\times {\mathrm{9931}}^1\times {\mathrm{5507}}^1$

素因数の和:15455

約数の個数: 64

約数和(自身を含む): 55799565120

約数和(自身を除く): 34798598592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 5507, 9931, 11014, 16521, 19862, 22028, 29793, 33042, 39724, 44056, 59586, 66084, 79448, 88112, 119172, 132168, 158896, 176224, 238344, 264336, 317792, 352448, 476688, 528672, 635584, 704896, 953376, 1057344, 1271168, 1906752, 2114688, 3813504, 54690017, 109380034, 164070051, 218760068, 328140102, 437520136, 656280204, 875040272, 1312560408, 1750080544, 2625120816, 3500161088, 5250241632, 7000322176, 10500483264, 21000966528]

約数ペア:

[(1, 21000966528), (2, 10500483264), (3, 7000322176), (4, 5250241632), (6, 3500161088), (8, 2625120816), (12, 1750080544), (16, 1312560408), (24, 875040272), (32, 656280204), (48, 437520136), (64, 328140102), (96, 218760068), (128, 164070051), (192, 109380034), (384, 54690017), (5507, 3813504), (9931, 2114688), (11014, 1906752), (16521, 1271168), (19862, 1057344), (22028, 953376), (29793, 704896), (33042, 635584), (39724, 528672), (44056, 476688), (59586, 352448), (66084, 317792), (79448, 264336), (88112, 238344), (119172, 176224), (132168, 158896)]