21728736

素因数分解:

$2^5\times 3^4\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 120

約数和(自身を含む): 65313864

約数和(自身を除く): 43585128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 83, 96, 101, 108, 144, 162, 166, 202, 216, 249, 288, 303, 324, 332, 404, 432, 498, 606, 648, 664, 747, 808, 864, 909, 996, 1212, 1296, 1328, 1494, 1616, 1818, 1992, 2241, 2424, 2592, 2656, 2727, 2988, 3232, 3636, 3984, 4482, 4848, 5454, 5976, 6723, 7272, 7968, 8181, 8383, 8964, 9696, 10908, 11952, 13446, 14544, 16362, 16766, 17928, 21816, 23904, 25149, 26892, 29088, 32724, 33532, 35856, 43632, 50298, 53784, 65448, 67064, 71712, 75447, 87264, 100596, 107568, 130896, 134128, 150894, 201192, 215136, 226341, 261792, 268256, 301788, 402384, 452682, 603576, 679023, 804768, 905364, 1207152, 1358046, 1810728, 2414304, 2716092, 3621456, 5432184, 7242912, 10864368, 21728736]

約数ペア:

[(1, 21728736), (2, 10864368), (3, 7242912), (4, 5432184), (6, 3621456), (8, 2716092), (9, 2414304), (12, 1810728), (16, 1358046), (18, 1207152), (24, 905364), (27, 804768), (32, 679023), (36, 603576), (48, 452682), (54, 402384), (72, 301788), (81, 268256), (83, 261792), (96, 226341), (101, 215136), (108, 201192), (144, 150894), (162, 134128), (166, 130896), (202, 107568), (216, 100596), (249, 87264), (288, 75447), (303, 71712), (324, 67064), (332, 65448), (404, 53784), (432, 50298), (498, 43632), (606, 35856), (648, 33532), (664, 32724), (747, 29088), (808, 26892), (864, 25149), (909, 23904), (996, 21816), (1212, 17928), (1296, 16766), (1328, 16362), (1494, 14544), (1616, 13446), (1818, 11952), (1992, 10908), (2241, 9696), (2424, 8964), (2592, 8383), (2656, 8181), (2727, 7968), (2988, 7272), (3232, 6723), (3636, 5976), (3984, 5454), (4482, 4848)]