21453894

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:722

約数の個数: 96

約数和(自身を含む): 60562944

約数和(自身を除く): 39109050

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 23, 33, 42, 46, 63, 66, 69, 77, 99, 126, 138, 154, 161, 198, 207, 231, 253, 322, 414, 462, 483, 506, 673, 693, 759, 966, 1346, 1386, 1449, 1518, 1771, 2019, 2277, 2898, 3542, 4038, 4554, 4711, 5313, 6057, 7403, 9422, 10626, 12114, 14133, 14806, 15479, 15939, 22209, 28266, 30958, 31878, 42399, 44418, 46437, 51821, 66627, 84798, 92874, 103642, 108353, 133254, 139311, 155463, 170269, 216706, 278622, 310926, 325059, 340538, 466389, 510807, 650118, 932778, 975177, 1021614, 1191883, 1532421, 1950354, 2383766, 3064842, 3575649, 7151298, 10726947, 21453894]

約数ペア:

[(1, 21453894), (2, 10726947), (3, 7151298), (6, 3575649), (7, 3064842), (9, 2383766), (11, 1950354), (14, 1532421), (18, 1191883), (21, 1021614), (22, 975177), (23, 932778), (33, 650118), (42, 510807), (46, 466389), (63, 340538), (66, 325059), (69, 310926), (77, 278622), (99, 216706), (126, 170269), (138, 155463), (154, 139311), (161, 133254), (198, 108353), (207, 103642), (231, 92874), (253, 84798), (322, 66627), (414, 51821), (462, 46437), (483, 44418), (506, 42399), (673, 31878), (693, 30958), (759, 28266), (966, 22209), (1346, 15939), (1386, 15479), (1449, 14806), (1518, 14133), (1771, 12114), (2019, 10626), (2277, 9422), (2898, 7403), (3542, 6057), (4038, 5313), (4554, 4711)]