21295276

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7573}}^1$

素因数の和:7633

約数の個数: 24

約数和(自身を含む): 40293680

約数和(自身を除く): 18998404

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7573, 15146, 30292, 143887, 280201, 287774, 560402, 575548, 1120804, 5323819, 10647638, 21295276]

約数ペア:

[(1, 21295276), (2, 10647638), (4, 5323819), (19, 1120804), (37, 575548), (38, 560402), (74, 287774), (76, 280201), (148, 143887), (703, 30292), (1406, 15146), (2812, 7573)]