21096915896

素因数分解:

$2^3\times 7^2\times {\mathrm{127}}^1\times {\mathrm{423769}}^1$

素因数の和:423916

約数の個数: 48

約数和(自身を含む): 46377388800

約数和(自身を除く): 25280472904

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 127, 196, 254, 392, 508, 889, 1016, 1778, 3556, 6223, 7112, 12446, 24892, 49784, 423769, 847538, 1695076, 2966383, 3390152, 5932766, 11865532, 20764681, 23731064, 41529362, 53818663, 83058724, 107637326, 166117448, 215274652, 376730641, 430549304, 753461282, 1506922564, 2637114487, 3013845128, 5274228974, 10548457948, 21096915896]

約数ペア:

[(1, 21096915896), (2, 10548457948), (4, 5274228974), (7, 3013845128), (8, 2637114487), (14, 1506922564), (28, 753461282), (49, 430549304), (56, 376730641), (98, 215274652), (127, 166117448), (196, 107637326), (254, 83058724), (392, 53818663), (508, 41529362), (889, 23731064), (1016, 20764681), (1778, 11865532), (3556, 5932766), (6223, 3390152), (7112, 2966383), (12446, 1695076), (24892, 847538), (49784, 423769)]