21196539

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8627}}^1$

素因数の和:8656

約数の個数: 32

約数和(自身を含む): 38653440

約数和(自身を除く): 17456901

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8627, 25881, 60389, 77643, 112151, 181167, 232929, 336453, 543501, 785057, 1009359, 1630503, 2355171, 3028077, 7065513, 21196539]

約数ペア:

[(1, 21196539), (3, 7065513), (7, 3028077), (9, 2355171), (13, 1630503), (21, 1009359), (27, 785057), (39, 543501), (63, 336453), (91, 232929), (117, 181167), (189, 112151), (273, 77643), (351, 60389), (819, 25881), (2457, 8627)]