21898864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{829}}^1$

素因数の和:977

約数の個数: 40

約数和(自身を含む): 46108160

約数和(自身を除く): 24209296

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 829, 1016, 1651, 1658, 2032, 3302, 3316, 6604, 6632, 10777, 13208, 13264, 21554, 26416, 43108, 86216, 105283, 172432, 210566, 421132, 842264, 1368679, 1684528, 2737358, 5474716, 10949432, 21898864]

約数ペア:

[(1, 21898864), (2, 10949432), (4, 5474716), (8, 2737358), (13, 1684528), (16, 1368679), (26, 842264), (52, 421132), (104, 210566), (127, 172432), (208, 105283), (254, 86216), (508, 43108), (829, 26416), (1016, 21554), (1651, 13264), (1658, 13208), (2032, 10777), (3302, 6632), (3316, 6604)]