21023472

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 57496320

約数和(自身を除く): 36472848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 137, 138, 139, 184, 274, 276, 278, 368, 411, 417, 548, 552, 556, 822, 834, 1096, 1104, 1112, 1644, 1668, 2192, 2224, 3151, 3197, 3288, 3336, 6302, 6394, 6576, 6672, 9453, 9591, 12604, 12788, 18906, 19043, 19182, 25208, 25576, 37812, 38086, 38364, 50416, 51152, 57129, 75624, 76172, 76728, 114258, 151248, 152344, 153456, 228516, 304688, 437989, 457032, 875978, 914064, 1313967, 1751956, 2627934, 3503912, 5255868, 7007824, 10511736, 21023472]

約数ペア:

[(1, 21023472), (2, 10511736), (3, 7007824), (4, 5255868), (6, 3503912), (8, 2627934), (12, 1751956), (16, 1313967), (23, 914064), (24, 875978), (46, 457032), (48, 437989), (69, 304688), (92, 228516), (137, 153456), (138, 152344), (139, 151248), (184, 114258), (274, 76728), (276, 76172), (278, 75624), (368, 57129), (411, 51152), (417, 50416), (548, 38364), (552, 38086), (556, 37812), (822, 25576), (834, 25208), (1096, 19182), (1104, 19043), (1112, 18906), (1644, 12788), (1668, 12604), (2192, 9591), (2224, 9453), (3151, 6672), (3197, 6576), (3288, 6394), (3336, 6302)]