2021821128

素因数分解:

$2^3\times 3^3\times {\mathrm{43}}^1\times {\mathrm{217681}}^1$

素因数の和:217739

約数の個数: 64

約数和(自身を含む): 5746804800

約数和(自身を除く): 3724983672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 86, 108, 129, 172, 216, 258, 344, 387, 516, 774, 1032, 1161, 1548, 2322, 3096, 4644, 9288, 217681, 435362, 653043, 870724, 1306086, 1741448, 1959129, 2612172, 3918258, 5224344, 5877387, 7836516, 9360283, 11754774, 15673032, 18720566, 23509548, 28080849, 37441132, 47019096, 56161698, 74882264, 84242547, 112323396, 168485094, 224646792, 252727641, 336970188, 505455282, 673940376, 1010910564, 2021821128]

約数ペア:

[(1, 2021821128), (2, 1010910564), (3, 673940376), (4, 505455282), (6, 336970188), (8, 252727641), (9, 224646792), (12, 168485094), (18, 112323396), (24, 84242547), (27, 74882264), (36, 56161698), (43, 47019096), (54, 37441132), (72, 28080849), (86, 23509548), (108, 18720566), (129, 15673032), (172, 11754774), (216, 9360283), (258, 7836516), (344, 5877387), (387, 5224344), (516, 3918258), (774, 2612172), (1032, 1959129), (1161, 1741448), (1548, 1306086), (2322, 870724), (3096, 653043), (4644, 435362), (9288, 217681)]