21569214984

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{647}}^1\times {\mathrm{809}}^1$

素因数の和:1583

約数の個数: 128

約数和(自身を含む): 57820780800

約数和(自身を除く): 36251565816

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 101, 102, 136, 202, 204, 303, 404, 408, 606, 647, 808, 809, 1212, 1294, 1618, 1717, 1941, 2424, 2427, 2588, 3236, 3434, 3882, 4854, 5151, 5176, 6472, 6868, 7764, 9708, 10302, 10999, 13736, 13753, 15528, 19416, 20604, 21998, 27506, 32997, 41208, 41259, 43996, 55012, 65347, 65994, 81709, 82518, 87992, 110024, 130694, 131988, 163418, 165036, 196041, 245127, 261388, 263976, 326836, 330072, 392082, 490254, 522776, 523423, 653672, 784164, 980508, 1046846, 1110899, 1389053, 1568328, 1570269, 1961016, 2093692, 2221798, 2778106, 3140538, 3332697, 4167159, 4187384, 4443596, 5556212, 6281076, 6665394, 8334318, 8887192, 8898191, 11112424, 12562152, 13330788, 16668636, 17796382, 26661576, 26694573, 33337272, 35592764, 52865723, 53389146, 71185528, 105731446, 106778292, 158597169, 211462892, 213556584, 317194338, 422925784, 634388676, 898717291, 1268777352, 1797434582, 2696151873, 3594869164, 5392303746, 7189738328, 10784607492, 21569214984]

約数ペア:

[(1, 21569214984), (2, 10784607492), (3, 7189738328), (4, 5392303746), (6, 3594869164), (8, 2696151873), (12, 1797434582), (17, 1268777352), (24, 898717291), (34, 634388676), (51, 422925784), (68, 317194338), (101, 213556584), (102, 211462892), (136, 158597169), (202, 106778292), (204, 105731446), (303, 71185528), (404, 53389146), (408, 52865723), (606, 35592764), (647, 33337272), (808, 26694573), (809, 26661576), (1212, 17796382), (1294, 16668636), (1618, 13330788), (1717, 12562152), (1941, 11112424), (2424, 8898191), (2427, 8887192), (2588, 8334318), (3236, 6665394), (3434, 6281076), (3882, 5556212), (4854, 4443596), (5151, 4187384), (5176, 4167159), (6472, 3332697), (6868, 3140538), (7764, 2778106), (9708, 2221798), (10302, 2093692), (10999, 1961016), (13736, 1570269), (13753, 1568328), (15528, 1389053), (19416, 1110899), (20604, 1046846), (21998, 980508), (27506, 784164), (32997, 653672), (41208, 523423), (41259, 522776), (43996, 490254), (55012, 392082), (65347, 330072), (65994, 326836), (81709, 263976), (82518, 261388), (87992, 245127), (110024, 196041), (130694, 165036), (131988, 163418)]