21590910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:330

約数の個数: 96

約数和(自身を含む): 62101728

約数和(自身を除く): 40510818

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 113, 165, 193, 198, 226, 330, 339, 386, 495, 565, 579, 678, 965, 990, 1017, 1130, 1158, 1243, 1695, 1737, 1930, 2034, 2123, 2486, 2895, 3390, 3474, 3729, 4246, 5085, 5790, 6215, 6369, 7458, 8685, 10170, 10615, 11187, 12430, 12738, 17370, 18645, 19107, 21230, 21809, 22374, 31845, 37290, 38214, 43618, 55935, 63690, 65427, 95535, 109045, 111870, 130854, 191070, 196281, 218090, 239899, 327135, 392562, 479798, 654270, 719697, 981405, 1199495, 1439394, 1962810, 2159091, 2398990, 3598485, 4318182, 7196970, 10795455, 21590910]

約数ペア:

[(1, 21590910), (2, 10795455), (3, 7196970), (5, 4318182), (6, 3598485), (9, 2398990), (10, 2159091), (11, 1962810), (15, 1439394), (18, 1199495), (22, 981405), (30, 719697), (33, 654270), (45, 479798), (55, 392562), (66, 327135), (90, 239899), (99, 218090), (110, 196281), (113, 191070), (165, 130854), (193, 111870), (198, 109045), (226, 95535), (330, 65427), (339, 63690), (386, 55935), (495, 43618), (565, 38214), (579, 37290), (678, 31845), (965, 22374), (990, 21809), (1017, 21230), (1130, 19107), (1158, 18645), (1243, 17370), (1695, 12738), (1737, 12430), (1930, 11187), (2034, 10615), (2123, 10170), (2486, 8685), (2895, 7458), (3390, 6369), (3474, 6215), (3729, 5790), (4246, 5085)]