21000786866656

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{569}}^1\times {\mathrm{983}}^1\times {\mathrm{16073}}^1$

素因数の和:17708

約数の個数: 96

約数和(自身を含む): 42030657829440

約数和(自身を除く): 21029870962784

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 569, 584, 983, 1138, 1168, 1966, 2276, 2336, 3932, 4552, 7864, 9104, 15728, 16073, 18208, 31456, 32146, 41537, 64292, 71759, 83074, 128584, 143518, 166148, 257168, 287036, 332296, 514336, 559327, 574072, 664592, 1118654, 1148144, 1173329, 1329184, 2237308, 2296288, 2346658, 4474616, 4693316, 8949232, 9145537, 9386632, 15799759, 17898464, 18291074, 18773264, 31599518, 36582148, 37546528, 40830871, 63199036, 73164296, 81661742, 126398072, 146328592, 163323484, 252796144, 292657184, 326646968, 505592288, 653293936, 667624201, 1153382407, 1306587872, 1335248402, 2306764814, 2670496804, 4613529628, 5340993608, 8990062871, 9227059256, 10681987216, 17980125742, 18454118512, 21363974432, 35960251484, 36908237024, 71920502968, 143841005936, 287682011872, 656274589583, 1312549179166, 2625098358332, 5250196716664, 10500393433328, 21000786866656]

約数ペア:

[(1, 21000786866656), (2, 10500393433328), (4, 5250196716664), (8, 2625098358332), (16, 1312549179166), (32, 656274589583), (73, 287682011872), (146, 143841005936), (292, 71920502968), (569, 36908237024), (584, 35960251484), (983, 21363974432), (1138, 18454118512), (1168, 17980125742), (1966, 10681987216), (2276, 9227059256), (2336, 8990062871), (3932, 5340993608), (4552, 4613529628), (7864, 2670496804), (9104, 2306764814), (15728, 1335248402), (16073, 1306587872), (18208, 1153382407), (31456, 667624201), (32146, 653293936), (41537, 505592288), (64292, 326646968), (71759, 292657184), (83074, 252796144), (128584, 163323484), (143518, 146328592), (166148, 126398072), (257168, 81661742), (287036, 73164296), (332296, 63199036), (514336, 40830871), (559327, 37546528), (574072, 36582148), (664592, 31599518), (1118654, 18773264), (1148144, 18291074), (1173329, 17898464), (1329184, 15799759), (2237308, 9386632), (2296288, 9145537), (2346658, 8949232), (4474616, 4693316)]