21754696

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8419}}^1$

素因数の和:8461

約数の個数: 32

約数和(自身を含む): 45468000

約数和(自身を除く): 23713304

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 8419, 16838, 33676, 67352, 143123, 159961, 286246, 319922, 572492, 639844, 1144984, 1279688, 2719337, 5438674, 10877348, 21754696]

約数ペア:

[(1, 21754696), (2, 10877348), (4, 5438674), (8, 2719337), (17, 1279688), (19, 1144984), (34, 639844), (38, 572492), (68, 319922), (76, 286246), (136, 159961), (152, 143123), (323, 67352), (646, 33676), (1292, 16838), (2584, 8419)]