21764288

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 112

約数和(自身を含む): 55132224

約数和(自身を除く): 33367936

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 37, 52, 56, 64, 74, 91, 101, 104, 112, 148, 182, 202, 208, 224, 259, 296, 364, 404, 416, 448, 481, 518, 592, 707, 728, 808, 832, 962, 1036, 1184, 1313, 1414, 1456, 1616, 1924, 2072, 2368, 2626, 2828, 2912, 3232, 3367, 3737, 3848, 4144, 5252, 5656, 5824, 6464, 6734, 7474, 7696, 8288, 9191, 10504, 11312, 13468, 14948, 15392, 16576, 18382, 21008, 22624, 26159, 26936, 29896, 30784, 36764, 42016, 45248, 48581, 52318, 53872, 59792, 73528, 84032, 97162, 104636, 107744, 119584, 147056, 194324, 209272, 215488, 239168, 294112, 340067, 388648, 418544, 588224, 680134, 777296, 837088, 1360268, 1554592, 1674176, 2720536, 3109184, 5441072, 10882144, 21764288]

約数ペア:

[(1, 21764288), (2, 10882144), (4, 5441072), (7, 3109184), (8, 2720536), (13, 1674176), (14, 1554592), (16, 1360268), (26, 837088), (28, 777296), (32, 680134), (37, 588224), (52, 418544), (56, 388648), (64, 340067), (74, 294112), (91, 239168), (101, 215488), (104, 209272), (112, 194324), (148, 147056), (182, 119584), (202, 107744), (208, 104636), (224, 97162), (259, 84032), (296, 73528), (364, 59792), (404, 53872), (416, 52318), (448, 48581), (481, 45248), (518, 42016), (592, 36764), (707, 30784), (728, 29896), (808, 26936), (832, 26159), (962, 22624), (1036, 21008), (1184, 18382), (1313, 16576), (1414, 15392), (1456, 14948), (1616, 13468), (1924, 11312), (2072, 10504), (2368, 9191), (2626, 8288), (2828, 7696), (2912, 7474), (3232, 6734), (3367, 6464), (3737, 5824), (3848, 5656), (4144, 5252)]