21413392

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:237

約数の個数: 120

約数和(自身を含む): 56996352

約数和(自身を除く): 35582960

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 112, 143, 154, 176, 182, 191, 196, 208, 286, 308, 364, 382, 392, 539, 572, 616, 637, 728, 764, 784, 1001, 1078, 1144, 1232, 1274, 1337, 1456, 1528, 2002, 2101, 2156, 2288, 2483, 2548, 2674, 3056, 4004, 4202, 4312, 4966, 5096, 5348, 7007, 8008, 8404, 8624, 9359, 9932, 10192, 10696, 14014, 14707, 16016, 16808, 17381, 18718, 19864, 21392, 27313, 28028, 29414, 33616, 34762, 37436, 39728, 54626, 56056, 58828, 69524, 74872, 102949, 109252, 112112, 117656, 121667, 139048, 149744, 191191, 205898, 218504, 235312, 243334, 278096, 382382, 411796, 437008, 486668, 764764, 823592, 973336, 1338337, 1529528, 1647184, 1946672, 2676674, 3059056, 5353348, 10706696, 21413392]

約数ペア:

[(1, 21413392), (2, 10706696), (4, 5353348), (7, 3059056), (8, 2676674), (11, 1946672), (13, 1647184), (14, 1529528), (16, 1338337), (22, 973336), (26, 823592), (28, 764764), (44, 486668), (49, 437008), (52, 411796), (56, 382382), (77, 278096), (88, 243334), (91, 235312), (98, 218504), (104, 205898), (112, 191191), (143, 149744), (154, 139048), (176, 121667), (182, 117656), (191, 112112), (196, 109252), (208, 102949), (286, 74872), (308, 69524), (364, 58828), (382, 56056), (392, 54626), (539, 39728), (572, 37436), (616, 34762), (637, 33616), (728, 29414), (764, 28028), (784, 27313), (1001, 21392), (1078, 19864), (1144, 18718), (1232, 17381), (1274, 16808), (1337, 16016), (1456, 14707), (1528, 14014), (2002, 10696), (2101, 10192), (2156, 9932), (2288, 9359), (2483, 8624), (2548, 8404), (2674, 8008), (3056, 7007), (4004, 5348), (4202, 5096), (4312, 4966)]