21938829824

素因数分解:

$2^9\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{1321}}^1$

素因数の和:1701

約数の個数: 80

約数和(自身を含む): 44358916800

約数和(自身を除く): 22420086976

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 199, 256, 326, 398, 512, 652, 796, 1304, 1321, 1592, 2608, 2642, 3184, 5216, 5284, 6368, 10432, 10568, 12736, 20864, 21136, 25472, 32437, 41728, 42272, 50944, 64874, 83456, 84544, 101888, 129748, 169088, 215323, 259496, 262879, 338176, 430646, 518992, 525758, 676352, 861292, 1037984, 1051516, 1722584, 2075968, 2103032, 3445168, 4151936, 4206064, 6890336, 8303872, 8412128, 13780672, 16607744, 16824256, 27561344, 33648512, 42849277, 55122688, 67297024, 85698554, 110245376, 134594048, 171397108, 342794216, 685588432, 1371176864, 2742353728, 5484707456, 10969414912, 21938829824]

約数ペア:

[(1, 21938829824), (2, 10969414912), (4, 5484707456), (8, 2742353728), (16, 1371176864), (32, 685588432), (64, 342794216), (128, 171397108), (163, 134594048), (199, 110245376), (256, 85698554), (326, 67297024), (398, 55122688), (512, 42849277), (652, 33648512), (796, 27561344), (1304, 16824256), (1321, 16607744), (1592, 13780672), (2608, 8412128), (2642, 8303872), (3184, 6890336), (5216, 4206064), (5284, 4151936), (6368, 3445168), (10432, 2103032), (10568, 2075968), (12736, 1722584), (20864, 1051516), (21136, 1037984), (25472, 861292), (32437, 676352), (41728, 525758), (42272, 518992), (50944, 430646), (64874, 338176), (83456, 262879), (84544, 259496), (101888, 215323), (129748, 169088)]