21986962921

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{769663}}^1$

素因数の和:769741

約数の個数: 24

約数和(自身を含む): 28428309504

約数和(自身を除く): 6441346583

約数列:

[1, 7, 11, 49, 53, 77, 371, 539, 583, 2597, 4081, 28567, 769663, 5387641, 8466293, 37713487, 40792139, 59264051, 285544973, 414848357, 448713529, 1998814811, 3140994703, 21986962921]

約数ペア:

[(1, 21986962921), (7, 3140994703), (11, 1998814811), (49, 448713529), (53, 414848357), (77, 285544973), (371, 59264051), (539, 40792139), (583, 37713487), (2597, 8466293), (4081, 5387641), (28567, 769663)]