21239592

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1871}}^1$

素因数の和:1934

約数の個数: 64

約数和(自身を含む): 59304960

約数和(自身を除く): 38065368

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 43, 44, 66, 86, 88, 129, 132, 172, 258, 264, 344, 473, 516, 946, 1032, 1419, 1871, 1892, 2838, 3742, 3784, 5613, 5676, 7484, 11226, 11352, 14968, 20581, 22452, 41162, 44904, 61743, 80453, 82324, 123486, 160906, 164648, 241359, 246972, 321812, 482718, 493944, 643624, 884983, 965436, 1769966, 1930872, 2654949, 3539932, 5309898, 7079864, 10619796, 21239592]

約数ペア:

[(1, 21239592), (2, 10619796), (3, 7079864), (4, 5309898), (6, 3539932), (8, 2654949), (11, 1930872), (12, 1769966), (22, 965436), (24, 884983), (33, 643624), (43, 493944), (44, 482718), (66, 321812), (86, 246972), (88, 241359), (129, 164648), (132, 160906), (172, 123486), (258, 82324), (264, 80453), (344, 61743), (473, 44904), (516, 41162), (946, 22452), (1032, 20581), (1419, 14968), (1871, 11352), (1892, 11226), (2838, 7484), (3742, 5676), (3784, 5613)]