21242144

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 53778816

約数和(自身を除く): 32536672

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 37, 44, 56, 74, 77, 88, 112, 148, 154, 176, 224, 233, 259, 296, 308, 352, 407, 466, 518, 592, 616, 814, 932, 1036, 1184, 1232, 1628, 1631, 1864, 2072, 2464, 2563, 2849, 3256, 3262, 3728, 4144, 5126, 5698, 6512, 6524, 7456, 8288, 8621, 10252, 11396, 13024, 13048, 17242, 17941, 20504, 22792, 26096, 34484, 35882, 41008, 45584, 52192, 60347, 68968, 71764, 82016, 91168, 94831, 120694, 137936, 143528, 189662, 241388, 275872, 287056, 379324, 482776, 574112, 663817, 758648, 965552, 1327634, 1517296, 1931104, 2655268, 3034592, 5310536, 10621072, 21242144]

約数ペア:

[(1, 21242144), (2, 10621072), (4, 5310536), (7, 3034592), (8, 2655268), (11, 1931104), (14, 1517296), (16, 1327634), (22, 965552), (28, 758648), (32, 663817), (37, 574112), (44, 482776), (56, 379324), (74, 287056), (77, 275872), (88, 241388), (112, 189662), (148, 143528), (154, 137936), (176, 120694), (224, 94831), (233, 91168), (259, 82016), (296, 71764), (308, 68968), (352, 60347), (407, 52192), (466, 45584), (518, 41008), (592, 35882), (616, 34484), (814, 26096), (932, 22792), (1036, 20504), (1184, 17941), (1232, 17242), (1628, 13048), (1631, 13024), (1864, 11396), (2072, 10252), (2464, 8621), (2563, 8288), (2849, 7456), (3256, 6524), (3262, 6512), (3728, 5698), (4144, 5126)]