21671546

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:786

約数の個数: 24

約数和(自身を含む): 35616924

約数和(自身を除く): 13945378

約数列:

[1, 2, 13, 26, 97, 169, 194, 338, 661, 1261, 1322, 2522, 8593, 16393, 17186, 32786, 64117, 111709, 128234, 223418, 833521, 1667042, 10835773, 21671546]

約数ペア:

[(1, 21671546), (2, 10835773), (13, 1667042), (26, 833521), (97, 223418), (169, 128234), (194, 111709), (338, 64117), (661, 32786), (1261, 17186), (1322, 16393), (2522, 8593)]