21044637184

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{2953}}^1$

素因数の和:3451

約数の個数: 80

約数和(自身を含む): 43515964800

約数和(自身を除く): 22471327616

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 449, 496, 512, 898, 992, 1796, 1984, 2953, 3592, 3968, 5906, 7184, 7936, 11812, 13919, 14368, 15872, 23624, 27838, 28736, 47248, 55676, 57472, 91543, 94496, 111352, 114944, 183086, 188992, 222704, 229888, 366172, 377984, 445408, 732344, 755968, 890816, 1325897, 1464688, 1511936, 1781632, 2651794, 2929376, 3563264, 5303588, 5858752, 7126528, 10607176, 11717504, 21214352, 23435008, 41102807, 42428704, 46870016, 82205614, 84857408, 164411228, 169714816, 328822456, 339429632, 657644912, 678859264, 1315289824, 2630579648, 5261159296, 10522318592, 21044637184]

約数ペア:

[(1, 21044637184), (2, 10522318592), (4, 5261159296), (8, 2630579648), (16, 1315289824), (31, 678859264), (32, 657644912), (62, 339429632), (64, 328822456), (124, 169714816), (128, 164411228), (248, 84857408), (256, 82205614), (449, 46870016), (496, 42428704), (512, 41102807), (898, 23435008), (992, 21214352), (1796, 11717504), (1984, 10607176), (2953, 7126528), (3592, 5858752), (3968, 5303588), (5906, 3563264), (7184, 2929376), (7936, 2651794), (11812, 1781632), (13919, 1511936), (14368, 1464688), (15872, 1325897), (23624, 890816), (27838, 755968), (28736, 732344), (47248, 445408), (55676, 377984), (57472, 366172), (91543, 229888), (94496, 222704), (111352, 188992), (114944, 183086)]