21243672

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 61916400

約数和(自身を除く): 40672728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 53, 57, 72, 76, 106, 114, 152, 159, 171, 212, 228, 293, 318, 342, 424, 456, 477, 586, 636, 684, 879, 954, 1007, 1172, 1272, 1368, 1758, 1908, 2014, 2344, 2637, 3021, 3516, 3816, 4028, 5274, 5567, 6042, 7032, 8056, 9063, 10548, 11134, 12084, 15529, 16701, 18126, 21096, 22268, 24168, 31058, 33402, 36252, 44536, 46587, 50103, 62116, 66804, 72504, 93174, 100206, 124232, 133608, 139761, 186348, 200412, 279522, 295051, 372696, 400824, 559044, 590102, 885153, 1118088, 1180204, 1770306, 2360408, 2655459, 3540612, 5310918, 7081224, 10621836, 21243672]

約数ペア:

[(1, 21243672), (2, 10621836), (3, 7081224), (4, 5310918), (6, 3540612), (8, 2655459), (9, 2360408), (12, 1770306), (18, 1180204), (19, 1118088), (24, 885153), (36, 590102), (38, 559044), (53, 400824), (57, 372696), (72, 295051), (76, 279522), (106, 200412), (114, 186348), (152, 139761), (159, 133608), (171, 124232), (212, 100206), (228, 93174), (293, 72504), (318, 66804), (342, 62116), (424, 50103), (456, 46587), (477, 44536), (586, 36252), (636, 33402), (684, 31058), (879, 24168), (954, 22268), (1007, 21096), (1172, 18126), (1272, 16701), (1368, 15529), (1758, 12084), (1908, 11134), (2014, 10548), (2344, 9063), (2637, 8056), (3021, 7032), (3516, 6042), (3816, 5567), (4028, 5274)]