21955564

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9319}}^1$

素因数の和:9373

約数の個数: 24

約数和(自身を含む): 41753600

約数和(自身を除く): 19798036

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 9319, 18638, 37276, 177061, 288889, 354122, 577778, 708244, 1155556, 5488891, 10977782, 21955564]

約数ペア:

[(1, 21955564), (2, 10977782), (4, 5488891), (19, 1155556), (31, 708244), (38, 577778), (62, 354122), (76, 288889), (124, 177061), (589, 37276), (1178, 18638), (2356, 9319)]