21046759568

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1777}}^1\times {\mathrm{23879}}^1$

素因数の和:25695

約数の個数: 40

約数和(自身を含む): 42118970880

約数和(自身を除く): 21072211312

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1777, 3554, 7108, 14216, 23879, 28432, 47758, 55087, 95516, 110174, 191032, 220348, 382064, 440696, 740249, 881392, 1480498, 2960996, 5921992, 11843984, 42432983, 84865966, 169731932, 339463864, 678927728, 1315422473, 2630844946, 5261689892, 10523379784, 21046759568]

約数ペア:

[(1, 21046759568), (2, 10523379784), (4, 5261689892), (8, 2630844946), (16, 1315422473), (31, 678927728), (62, 339463864), (124, 169731932), (248, 84865966), (496, 42432983), (1777, 11843984), (3554, 5921992), (7108, 2960996), (14216, 1480498), (23879, 881392), (28432, 740249), (47758, 440696), (55087, 382064), (95516, 220348), (110174, 191032)]