21158778

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{733}}^1$

素因数の和:1038

約数の個数: 32

約数和(自身を含む): 45026496

約数和(自身を除く): 23867718

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 283, 566, 733, 849, 1466, 1698, 2199, 4398, 4811, 9622, 12461, 14433, 24922, 28866, 37383, 74766, 207439, 414878, 622317, 1244634, 3526463, 7052926, 10579389, 21158778]

約数ペア:

[(1, 21158778), (2, 10579389), (3, 7052926), (6, 3526463), (17, 1244634), (34, 622317), (51, 414878), (102, 207439), (283, 74766), (566, 37383), (733, 28866), (849, 24922), (1466, 14433), (1698, 12461), (2199, 9622), (4398, 4811)]