21549872

素因数分解:

$2^4\times {\mathrm{463}}^1\times {\mathrm{2909}}^1$

素因数の和:3380

約数の個数: 20

約数和(自身を含む): 41857440

約数和(自身を除く): 20307568

約数列:

[1, 2, 4, 8, 16, 463, 926, 1852, 2909, 3704, 5818, 7408, 11636, 23272, 46544, 1346867, 2693734, 5387468, 10774936, 21549872]

約数ペア:

[(1, 21549872), (2, 10774936), (4, 5387468), (8, 2693734), (16, 1346867), (463, 46544), (926, 23272), (1852, 11636), (2909, 7408), (3704, 5818)]