21435648

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 65244480

約数和(自身を除く): 43808832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 113, 114, 128, 152, 156, 192, 208, 226, 228, 247, 256, 304, 312, 339, 384, 416, 452, 456, 494, 608, 624, 678, 741, 768, 832, 904, 912, 988, 1216, 1248, 1356, 1469, 1482, 1664, 1808, 1824, 1976, 2147, 2432, 2496, 2712, 2938, 2964, 3328, 3616, 3648, 3952, 4294, 4407, 4864, 4992, 5424, 5876, 5928, 6441, 7232, 7296, 7904, 8588, 8814, 9984, 10848, 11752, 11856, 12882, 14464, 14592, 15808, 17176, 17628, 21696, 23504, 23712, 25764, 27911, 28928, 31616, 34352, 35256, 43392, 47008, 47424, 51528, 55822, 63232, 68704, 70512, 83733, 86784, 94016, 94848, 103056, 111644, 137408, 141024, 167466, 188032, 189696, 206112, 223288, 274816, 282048, 334932, 376064, 412224, 446576, 549632, 564096, 669864, 824448, 893152, 1128192, 1339728, 1648896, 1786304, 2679456, 3572608, 5358912, 7145216, 10717824, 21435648]

約数ペア:

[(1, 21435648), (2, 10717824), (3, 7145216), (4, 5358912), (6, 3572608), (8, 2679456), (12, 1786304), (13, 1648896), (16, 1339728), (19, 1128192), (24, 893152), (26, 824448), (32, 669864), (38, 564096), (39, 549632), (48, 446576), (52, 412224), (57, 376064), (64, 334932), (76, 282048), (78, 274816), (96, 223288), (104, 206112), (113, 189696), (114, 188032), (128, 167466), (152, 141024), (156, 137408), (192, 111644), (208, 103056), (226, 94848), (228, 94016), (247, 86784), (256, 83733), (304, 70512), (312, 68704), (339, 63232), (384, 55822), (416, 51528), (452, 47424), (456, 47008), (494, 43392), (608, 35256), (624, 34352), (678, 31616), (741, 28928), (768, 27911), (832, 25764), (904, 23712), (912, 23504), (988, 21696), (1216, 17628), (1248, 17176), (1356, 15808), (1469, 14592), (1482, 14464), (1664, 12882), (1808, 11856), (1824, 11752), (1976, 10848), (2147, 9984), (2432, 8814), (2496, 8588), (2712, 7904), (2938, 7296), (2964, 7232), (3328, 6441), (3616, 5928), (3648, 5876), (3952, 5424), (4294, 4992), (4407, 4864)]