21414459

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 32

約数和(自身を含む): 32606208

約数和(自身を除く): 11191749

約数列:

[1, 3, 11, 31, 33, 93, 121, 173, 341, 363, 519, 1023, 1331, 1903, 3751, 3993, 5363, 5709, 11253, 16089, 20933, 41261, 58993, 62799, 123783, 176979, 230263, 648923, 690789, 1946769, 7138153, 21414459]

約数ペア:

[(1, 21414459), (3, 7138153), (11, 1946769), (31, 690789), (33, 648923), (93, 230263), (121, 176979), (173, 123783), (341, 62799), (363, 58993), (519, 41261), (1023, 20933), (1331, 16089), (1903, 11253), (3751, 5709), (3993, 5363)]