21276568.000000000

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{21383}}^1$

素因数の和:21523

約数の個数: 32

約数和(自身を含む): 328458240

約数和(自身を除く): 176382344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 254, 508, 889, 1016, 1778, 3556, 7112, 21383, 42766, 85532, 149681, 171064, 299362, 598724, 1197448, 2715641, 5431282, 10862564, 19009487, 21725128, 38018974, 76037948, 152075896]

約数ペア:

[(1, 152075896), (2, 76037948), (4, 38018974), (7, 21725128), (8, 19009487), (14, 10862564), (28, 5431282), (56, 2715641), (127, 1197448), (254, 598724), (508, 299362), (889, 171064), (1016, 149681), (1778, 85532), (3556, 42766), (7112, 21383)]