21174296

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 47416320

約数和(自身を除く): 26242024

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 83, 88, 104, 143, 166, 223, 286, 332, 446, 572, 664, 892, 913, 1079, 1144, 1784, 1826, 2158, 2453, 2899, 3652, 4316, 4906, 5798, 7304, 8632, 9812, 11596, 11869, 18509, 19624, 23192, 23738, 31889, 37018, 47476, 63778, 74036, 94952, 127556, 148072, 203599, 240617, 255112, 407198, 481234, 814396, 962468, 1628792, 1924936, 2646787, 5293574, 10587148, 21174296]

約数ペア:

[(1, 21174296), (2, 10587148), (4, 5293574), (8, 2646787), (11, 1924936), (13, 1628792), (22, 962468), (26, 814396), (44, 481234), (52, 407198), (83, 255112), (88, 240617), (104, 203599), (143, 148072), (166, 127556), (223, 94952), (286, 74036), (332, 63778), (446, 47476), (572, 37018), (664, 31889), (892, 23738), (913, 23192), (1079, 19624), (1144, 18509), (1784, 11869), (1826, 11596), (2158, 9812), (2453, 8632), (2899, 7304), (3652, 5798), (4316, 4906)]