21984144

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:757

約数の個数: 120

約数和(自身を含む): 71245440

約数和(自身を除く): 49261296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 78, 84, 91, 98, 104, 112, 147, 156, 168, 182, 196, 208, 273, 294, 312, 336, 364, 392, 546, 588, 624, 637, 719, 728, 784, 1092, 1176, 1274, 1438, 1456, 1911, 2157, 2184, 2352, 2548, 2876, 3822, 4314, 4368, 5033, 5096, 5752, 7644, 8628, 9347, 10066, 10192, 11504, 15099, 15288, 17256, 18694, 20132, 28041, 30198, 30576, 34512, 35231, 37388, 40264, 56082, 60396, 65429, 70462, 74776, 80528, 105693, 112164, 120792, 130858, 140924, 149552, 196287, 211386, 224328, 241584, 261716, 281848, 392574, 422772, 448656, 458003, 523432, 563696, 785148, 845544, 916006, 1046864, 1374009, 1570296, 1691088, 1832012, 2748018, 3140592, 3664024, 5496036, 7328048, 10992072, 21984144]

約数ペア:

[(1, 21984144), (2, 10992072), (3, 7328048), (4, 5496036), (6, 3664024), (7, 3140592), (8, 2748018), (12, 1832012), (13, 1691088), (14, 1570296), (16, 1374009), (21, 1046864), (24, 916006), (26, 845544), (28, 785148), (39, 563696), (42, 523432), (48, 458003), (49, 448656), (52, 422772), (56, 392574), (78, 281848), (84, 261716), (91, 241584), (98, 224328), (104, 211386), (112, 196287), (147, 149552), (156, 140924), (168, 130858), (182, 120792), (196, 112164), (208, 105693), (273, 80528), (294, 74776), (312, 70462), (336, 65429), (364, 60396), (392, 56082), (546, 40264), (588, 37388), (624, 35231), (637, 34512), (719, 30576), (728, 30198), (784, 28041), (1092, 20132), (1176, 18694), (1274, 17256), (1438, 15288), (1456, 15099), (1911, 11504), (2157, 10192), (2184, 10066), (2352, 9347), (2548, 8628), (2876, 7644), (3822, 5752), (4314, 5096), (4368, 5033)]