21488823

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1373}}^1$

素因数の和:1463

約数の個数: 24

約数和(自身を含む): 32580288

約数和(自身を除く): 11091465

約数列:

[1, 3, 9, 37, 47, 111, 141, 333, 423, 1373, 1739, 4119, 5217, 12357, 15651, 50801, 64531, 152403, 193593, 457209, 580779, 2387647, 7162941, 21488823]

約数ペア:

[(1, 21488823), (3, 7162941), (9, 2387647), (37, 580779), (47, 457209), (111, 193593), (141, 152403), (333, 64531), (423, 50801), (1373, 15651), (1739, 12357), (4119, 5217)]