21048652816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1887433}}^1$

素因数の和:1887499

約数の個数: 40

約数和(自身を含む): 44233903224

約数和(自身を除く): 23185250408

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 68, 82, 136, 164, 272, 328, 656, 697, 1394, 2788, 5576, 11152, 1887433, 3774866, 7549732, 15099464, 30198928, 32086361, 64172722, 77384753, 128345444, 154769506, 256690888, 309539012, 513381776, 619078024, 1238156048, 1315540801, 2631081602, 5262163204, 10524326408, 21048652816]

約数ペア:

[(1, 21048652816), (2, 10524326408), (4, 5262163204), (8, 2631081602), (16, 1315540801), (17, 1238156048), (34, 619078024), (41, 513381776), (68, 309539012), (82, 256690888), (136, 154769506), (164, 128345444), (272, 77384753), (328, 64172722), (656, 32086361), (697, 30198928), (1394, 15099464), (2788, 7549732), (5576, 3774866), (11152, 1887433)]