21439935

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43313}}^1$

素因数の和:43335

約数の個数: 24

約数和(自身を含む): 40541904

約数和(自身を除く): 19101969

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 43313, 129939, 216565, 389817, 476443, 649695, 1429329, 1949085, 2382215, 4287987, 7146645, 21439935]

約数ペア:

[(1, 21439935), (3, 7146645), (5, 4287987), (9, 2382215), (11, 1949085), (15, 1429329), (33, 649695), (45, 476443), (55, 389817), (99, 216565), (165, 129939), (495, 43313)]