21109770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21323}}^1$

素因数の和:21347

約数の個数: 48

約数和(自身を含む): 59877792

約数和(自身を除く): 38768022

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21323, 42646, 63969, 106615, 127938, 191907, 213230, 234553, 319845, 383814, 469106, 639690, 703659, 959535, 1172765, 1407318, 1919070, 2110977, 2345530, 3518295, 4221954, 7036590, 10554885, 21109770]

約数ペア:

[(1, 21109770), (2, 10554885), (3, 7036590), (5, 4221954), (6, 3518295), (9, 2345530), (10, 2110977), (11, 1919070), (15, 1407318), (18, 1172765), (22, 959535), (30, 703659), (33, 639690), (45, 469106), (55, 383814), (66, 319845), (90, 234553), (99, 213230), (110, 191907), (165, 127938), (198, 106615), (330, 63969), (495, 42646), (990, 21323)]