21122208

素因数分解:

$2^5\times 3^4\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:332

約数の個数: 120

約数和(自身を含む): 64490580

約数和(自身を除く): 43368372

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 72, 81, 87, 96, 108, 116, 144, 162, 174, 216, 232, 261, 281, 288, 324, 348, 432, 464, 522, 562, 648, 696, 783, 843, 864, 928, 1044, 1124, 1296, 1392, 1566, 1686, 2088, 2248, 2349, 2529, 2592, 2784, 3132, 3372, 4176, 4496, 4698, 5058, 6264, 6744, 7587, 8149, 8352, 8992, 9396, 10116, 12528, 13488, 15174, 16298, 18792, 20232, 22761, 24447, 25056, 26976, 30348, 32596, 37584, 40464, 45522, 48894, 60696, 65192, 73341, 75168, 80928, 91044, 97788, 121392, 130384, 146682, 182088, 195576, 220023, 242784, 260768, 293364, 364176, 391152, 440046, 586728, 660069, 728352, 782304, 880092, 1173456, 1320138, 1760184, 2346912, 2640276, 3520368, 5280552, 7040736, 10561104, 21122208]

約数ペア:

[(1, 21122208), (2, 10561104), (3, 7040736), (4, 5280552), (6, 3520368), (8, 2640276), (9, 2346912), (12, 1760184), (16, 1320138), (18, 1173456), (24, 880092), (27, 782304), (29, 728352), (32, 660069), (36, 586728), (48, 440046), (54, 391152), (58, 364176), (72, 293364), (81, 260768), (87, 242784), (96, 220023), (108, 195576), (116, 182088), (144, 146682), (162, 130384), (174, 121392), (216, 97788), (232, 91044), (261, 80928), (281, 75168), (288, 73341), (324, 65192), (348, 60696), (432, 48894), (464, 45522), (522, 40464), (562, 37584), (648, 32596), (696, 30348), (783, 26976), (843, 25056), (864, 24447), (928, 22761), (1044, 20232), (1124, 18792), (1296, 16298), (1392, 15174), (1566, 13488), (1686, 12528), (2088, 10116), (2248, 9396), (2349, 8992), (2529, 8352), (2592, 8149), (2784, 7587), (3132, 6744), (3372, 6264), (4176, 5058), (4496, 4698)]