21747384

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 61916400

約数和(自身を除く): 40169016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 53, 72, 82, 106, 123, 139, 159, 164, 212, 246, 278, 318, 328, 369, 417, 424, 477, 492, 556, 636, 738, 834, 954, 984, 1112, 1251, 1272, 1476, 1668, 1908, 2173, 2502, 2952, 3336, 3816, 4346, 5004, 5699, 6519, 7367, 8692, 10008, 11398, 13038, 14734, 17097, 17384, 19557, 22101, 22796, 26076, 29468, 34194, 39114, 44202, 45592, 51291, 52152, 58936, 66303, 68388, 78228, 88404, 102582, 132606, 136776, 156456, 176808, 205164, 265212, 302047, 410328, 530424, 604094, 906141, 1208188, 1812282, 2416376, 2718423, 3624564, 5436846, 7249128, 10873692, 21747384]

約数ペア:

[(1, 21747384), (2, 10873692), (3, 7249128), (4, 5436846), (6, 3624564), (8, 2718423), (9, 2416376), (12, 1812282), (18, 1208188), (24, 906141), (36, 604094), (41, 530424), (53, 410328), (72, 302047), (82, 265212), (106, 205164), (123, 176808), (139, 156456), (159, 136776), (164, 132606), (212, 102582), (246, 88404), (278, 78228), (318, 68388), (328, 66303), (369, 58936), (417, 52152), (424, 51291), (477, 45592), (492, 44202), (556, 39114), (636, 34194), (738, 29468), (834, 26076), (954, 22796), (984, 22101), (1112, 19557), (1251, 17384), (1272, 17097), (1476, 14734), (1668, 13038), (1908, 11398), (2173, 10008), (2502, 8692), (2952, 7367), (3336, 6519), (3816, 5699), (4346, 5004)]