21035647544

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{250687}}^1$

素因数の和:251327

約数の個数: 32

約数和(自身を含む): 41829799680

約数和(自身を除く): 20794152136

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 617, 1234, 2468, 4936, 10489, 20978, 41956, 83912, 250687, 501374, 1002748, 2005496, 4261679, 8523358, 17046716, 34093432, 154673879, 309347758, 618695516, 1237391032, 2629455943, 5258911886, 10517823772, 21035647544]

約数ペア:

[(1, 21035647544), (2, 10517823772), (4, 5258911886), (8, 2629455943), (17, 1237391032), (34, 618695516), (68, 309347758), (136, 154673879), (617, 34093432), (1234, 17046716), (2468, 8523358), (4936, 4261679), (10489, 2005496), (20978, 1002748), (41956, 501374), (83912, 250687)]