21543016

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 25112984

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 53, 62, 88, 106, 124, 149, 212, 248, 298, 341, 424, 583, 596, 682, 1166, 1192, 1364, 1639, 1643, 2332, 2728, 3278, 3286, 4619, 4664, 6556, 6572, 7897, 9238, 13112, 13144, 15794, 18073, 18476, 31588, 36146, 36952, 50809, 63176, 72292, 86867, 101618, 144584, 173734, 203236, 244807, 347468, 406472, 489614, 694936, 979228, 1958456, 2692877, 5385754, 10771508, 21543016]

約数ペア:

[(1, 21543016), (2, 10771508), (4, 5385754), (8, 2692877), (11, 1958456), (22, 979228), (31, 694936), (44, 489614), (53, 406472), (62, 347468), (88, 244807), (106, 203236), (124, 173734), (149, 144584), (212, 101618), (248, 86867), (298, 72292), (341, 63176), (424, 50809), (583, 36952), (596, 36146), (682, 31588), (1166, 18476), (1192, 18073), (1364, 15794), (1639, 13144), (1643, 13112), (2332, 9238), (2728, 7897), (3278, 6572), (3286, 6556), (4619, 4664)]