21091290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63913}}^1$

素因数の和:63934

約数の個数: 32

約数和(自身を含む): 55221696

約数和(自身を除く): 34130406

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 63913, 127826, 191739, 319565, 383478, 639130, 703043, 958695, 1406086, 1917390, 2109129, 3515215, 4218258, 7030430, 10545645, 21091290]

約数ペア:

[(1, 21091290), (2, 10545645), (3, 7030430), (5, 4218258), (6, 3515215), (10, 2109129), (11, 1917390), (15, 1406086), (22, 958695), (30, 703043), (33, 639130), (55, 383478), (66, 319565), (110, 191739), (165, 127826), (330, 63913)]