21081444488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{529259}}^1$

素因数の和:529661

約数の個数: 32

約数和(自身を含む): 42679526400

約数和(自身を除く): 21598081912

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 383, 766, 1532, 3064, 4979, 9958, 19916, 39832, 529259, 1058518, 2117036, 4234072, 6880367, 13760734, 27521468, 55042936, 202706197, 405412394, 810824788, 1621649576, 2635180561, 5270361122, 10540722244, 21081444488]

約数ペア:

[(1, 21081444488), (2, 10540722244), (4, 5270361122), (8, 2635180561), (13, 1621649576), (26, 810824788), (52, 405412394), (104, 202706197), (383, 55042936), (766, 27521468), (1532, 13760734), (3064, 6880367), (4979, 4234072), (9958, 2117036), (19916, 1058518), (39832, 529259)]