21974634

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 55598400

約数和(自身を除く): 33623766

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 33, 43, 58, 66, 86, 87, 89, 99, 129, 174, 178, 198, 258, 261, 267, 319, 387, 473, 522, 534, 638, 774, 801, 946, 957, 979, 1247, 1419, 1602, 1914, 1958, 2494, 2581, 2838, 2871, 2937, 3741, 3827, 4257, 5162, 5742, 5874, 7482, 7654, 7743, 8514, 8811, 11223, 11481, 13717, 15486, 17622, 22446, 22962, 23229, 27434, 28391, 34443, 41151, 42097, 46458, 56782, 68886, 82302, 84194, 85173, 110983, 123453, 126291, 170346, 221966, 246906, 252582, 255519, 332949, 378873, 511038, 665898, 757746, 998847, 1220813, 1997694, 2441626, 3662439, 7324878, 10987317, 21974634]

約数ペア:

[(1, 21974634), (2, 10987317), (3, 7324878), (6, 3662439), (9, 2441626), (11, 1997694), (18, 1220813), (22, 998847), (29, 757746), (33, 665898), (43, 511038), (58, 378873), (66, 332949), (86, 255519), (87, 252582), (89, 246906), (99, 221966), (129, 170346), (174, 126291), (178, 123453), (198, 110983), (258, 85173), (261, 84194), (267, 82302), (319, 68886), (387, 56782), (473, 46458), (522, 42097), (534, 41151), (638, 34443), (774, 28391), (801, 27434), (946, 23229), (957, 22962), (979, 22446), (1247, 17622), (1419, 15486), (1602, 13717), (1914, 11481), (1958, 11223), (2494, 8811), (2581, 8514), (2838, 7743), (2871, 7654), (2937, 7482), (3741, 5874), (3827, 5742), (4257, 5162)]