21741435540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{255361}}^1$

素因数の和:255430

約数の個数: 144

約数和(自身を含む): 73617800256

約数和(自身を除く): 51876364716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 55, 60, 66, 86, 90, 99, 110, 129, 132, 165, 172, 180, 198, 215, 220, 258, 330, 387, 396, 430, 473, 495, 516, 645, 660, 774, 860, 946, 990, 1290, 1419, 1548, 1892, 1935, 1980, 2365, 2580, 2838, 3870, 4257, 4730, 5676, 7095, 7740, 8514, 9460, 14190, 17028, 21285, 28380, 42570, 85140, 255361, 510722, 766083, 1021444, 1276805, 1532166, 2298249, 2553610, 2808971, 3064332, 3830415, 4596498, 5107220, 5617942, 7660830, 8426913, 9192996, 10980523, 11235884, 11491245, 14044855, 15321660, 16853826, 21961046, 22982490, 25280739, 28089710, 32941569, 33707652, 42134565, 43922092, 45964980, 50561478, 54902615, 56179420, 65883138, 84269130, 98824707, 101122956, 109805230, 120785753, 126403695, 131766276, 164707845, 168538260, 197649414, 219610460, 241571506, 252807390, 329415690, 362357259, 395298828, 483143012, 494123535, 505614780, 603928765, 658831380, 724714518, 988247070, 1087071777, 1207857530, 1449429036, 1811786295, 1976494140, 2174143554, 2415715060, 3623572590, 4348287108, 5435358885, 7247145180, 10870717770, 21741435540]

約数ペア:

[(1, 21741435540), (2, 10870717770), (3, 7247145180), (4, 5435358885), (5, 4348287108), (6, 3623572590), (9, 2415715060), (10, 2174143554), (11, 1976494140), (12, 1811786295), (15, 1449429036), (18, 1207857530), (20, 1087071777), (22, 988247070), (30, 724714518), (33, 658831380), (36, 603928765), (43, 505614780), (44, 494123535), (45, 483143012), (55, 395298828), (60, 362357259), (66, 329415690), (86, 252807390), (90, 241571506), (99, 219610460), (110, 197649414), (129, 168538260), (132, 164707845), (165, 131766276), (172, 126403695), (180, 120785753), (198, 109805230), (215, 101122956), (220, 98824707), (258, 84269130), (330, 65883138), (387, 56179420), (396, 54902615), (430, 50561478), (473, 45964980), (495, 43922092), (516, 42134565), (645, 33707652), (660, 32941569), (774, 28089710), (860, 25280739), (946, 22982490), (990, 21961046), (1290, 16853826), (1419, 15321660), (1548, 14044855), (1892, 11491245), (1935, 11235884), (1980, 10980523), (2365, 9192996), (2580, 8426913), (2838, 7660830), (3870, 5617942), (4257, 5107220), (4730, 4596498), (5676, 3830415), (7095, 3064332), (7740, 2808971), (8514, 2553610), (9460, 2298249), (14190, 1532166), (17028, 1276805), (21285, 1021444), (28380, 766083), (42570, 510722), (85140, 255361)]