21271844594

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{26497}}^1$

素因数の和:26931

約数の個数: 64

約数和(自身を含む): 42949654272

約数和(自身を除く): 21677809678

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 401, 802, 1001, 2002, 2807, 4411, 5213, 5614, 8822, 10426, 26497, 30877, 36491, 52994, 57343, 61754, 72982, 114686, 185479, 291467, 344461, 370958, 401401, 582934, 688922, 802802, 2040269, 2411227, 3789071, 4080538, 4822454, 7578142, 10625297, 21250594, 26523497, 53046994, 74377079, 116878267, 138128861, 148754158, 233756534, 276257722, 818147869, 966902027, 1519417471, 1636295738, 1933804054, 3038834942, 10635922297, 21271844594]

約数ペア:

[(1, 21271844594), (2, 10635922297), (7, 3038834942), (11, 1933804054), (13, 1636295738), (14, 1519417471), (22, 966902027), (26, 818147869), (77, 276257722), (91, 233756534), (143, 148754158), (154, 138128861), (182, 116878267), (286, 74377079), (401, 53046994), (802, 26523497), (1001, 21250594), (2002, 10625297), (2807, 7578142), (4411, 4822454), (5213, 4080538), (5614, 3789071), (8822, 2411227), (10426, 2040269), (26497, 802802), (30877, 688922), (36491, 582934), (52994, 401401), (57343, 370958), (61754, 344461), (72982, 291467), (114686, 185479)]