21104330978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{121447}}^1$

素因数の和:121754

約数の個数: 32

約数和(自身を含む): 35414236800

約数和(自身を除く): 14309905822

約数列:

[1, 2, 17, 19, 34, 38, 269, 323, 538, 646, 4573, 5111, 9146, 10222, 86887, 121447, 173774, 242894, 2064599, 2307493, 4129198, 4614986, 32669243, 39227381, 65338486, 78454762, 555377131, 620715617, 1110754262, 1241431234, 10552165489, 21104330978]

約数ペア:

[(1, 21104330978), (2, 10552165489), (17, 1241431234), (19, 1110754262), (34, 620715617), (38, 555377131), (269, 78454762), (323, 65338486), (538, 39227381), (646, 32669243), (4573, 4614986), (5111, 4129198), (9146, 2307493), (10222, 2064599), (86887, 242894), (121447, 173774)]