21179574

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{90511}}^1$

素因数の和:90532

約数の個数: 24

約数和(自身を含む): 49419552

約数和(自身を除く): 28239978

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 90511, 181022, 271533, 543066, 814599, 1176643, 1629198, 2353286, 3529929, 7059858, 10589787, 21179574]

約数ペア:

[(1, 21179574), (2, 10589787), (3, 7059858), (6, 3529929), (9, 2353286), (13, 1629198), (18, 1176643), (26, 814599), (39, 543066), (78, 271533), (117, 181022), (234, 90511)]