21000401312

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{373}}^1\times {\mathrm{521}}^1$

素因数の和:1222

約数の個数: 96

約数和(自身を含む): 45458449344

約数和(自身を除く): 24458048032

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 307, 352, 373, 521, 614, 746, 1042, 1228, 1492, 2084, 2456, 2984, 3377, 4103, 4168, 4912, 5731, 5968, 6754, 8206, 8336, 9824, 11462, 11936, 13508, 16412, 16672, 22924, 27016, 32824, 45848, 54032, 65648, 91696, 108064, 114511, 131296, 159947, 183392, 194333, 229022, 319894, 388666, 458044, 639788, 777332, 916088, 1259621, 1279576, 1554664, 1759417, 1832176, 2137663, 2519242, 2559152, 3109328, 3518834, 3664352, 4275326, 5038484, 5118304, 6218656, 7037668, 8550652, 10076968, 14075336, 17101304, 20153936, 28150672, 34202608, 40307872, 56301344, 59660231, 68405216, 119320462, 238640924, 477281848, 656262541, 954563696, 1312525082, 1909127392, 2625050164, 5250100328, 10500200656, 21000401312]

約数ペア:

[(1, 21000401312), (2, 10500200656), (4, 5250100328), (8, 2625050164), (11, 1909127392), (16, 1312525082), (22, 954563696), (32, 656262541), (44, 477281848), (88, 238640924), (176, 119320462), (307, 68405216), (352, 59660231), (373, 56301344), (521, 40307872), (614, 34202608), (746, 28150672), (1042, 20153936), (1228, 17101304), (1492, 14075336), (2084, 10076968), (2456, 8550652), (2984, 7037668), (3377, 6218656), (4103, 5118304), (4168, 5038484), (4912, 4275326), (5731, 3664352), (5968, 3518834), (6754, 3109328), (8206, 2559152), (8336, 2519242), (9824, 2137663), (11462, 1832176), (11936, 1759417), (13508, 1554664), (16412, 1279576), (16672, 1259621), (22924, 916088), (27016, 777332), (32824, 639788), (45848, 458044), (54032, 388666), (65648, 319894), (91696, 229022), (108064, 194333), (114511, 183392), (131296, 159947)]