21304847516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{757}}^1\times {\mathrm{7879}}^1$

素因数の和:8706

約数の個数: 48

約数和(自身を含む): 40138828800

約数和(自身を除く): 18833981284

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 757, 893, 1514, 1786, 3028, 3572, 7879, 14383, 15758, 28766, 31516, 35579, 57532, 71158, 142316, 149701, 299402, 370313, 598804, 676001, 740626, 1352002, 1481252, 2704004, 5964403, 7035947, 11928806, 14071894, 23857612, 28143788, 113323657, 226647314, 280326941, 453294628, 560653882, 1121307764, 5326211879, 10652423758, 21304847516]

約数ペア:

[(1, 21304847516), (2, 10652423758), (4, 5326211879), (19, 1121307764), (38, 560653882), (47, 453294628), (76, 280326941), (94, 226647314), (188, 113323657), (757, 28143788), (893, 23857612), (1514, 14071894), (1786, 11928806), (3028, 7035947), (3572, 5964403), (7879, 2704004), (14383, 1481252), (15758, 1352002), (28766, 740626), (31516, 676001), (35579, 598804), (57532, 370313), (71158, 299402), (142316, 149701)]