2021139747

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{683}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 3242094336

約数和(自身を除く): 1220954589

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 421, 639, 683, 781, 1263, 2049, 2343, 3789, 4631, 6147, 7029, 7513, 13893, 22539, 29891, 41679, 48493, 67617, 89673, 145479, 269019, 287543, 328801, 436437, 533423, 862629, 986403, 1600269, 2587887, 2959209, 3162973, 4800807, 9488919, 20415553, 28466757, 61246659, 183739977, 224571083, 673713249, 2021139747]

約数ペア:

[(1, 2021139747), (3, 673713249), (9, 224571083), (11, 183739977), (33, 61246659), (71, 28466757), (99, 20415553), (213, 9488919), (421, 4800807), (639, 3162973), (683, 2959209), (781, 2587887), (1263, 1600269), (2049, 986403), (2343, 862629), (3789, 533423), (4631, 436437), (6147, 328801), (7029, 287543), (7513, 269019), (13893, 145479), (22539, 89673), (29891, 67617), (41679, 48493)]