21484980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3617}}^1$

素因数の和:3646

約数の個数: 96

約数和(自身を含む): 72938880

約数和(自身を除く): 51453900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 3617, 5940, 7234, 10851, 14468, 18085, 21702, 32553, 36170, 39787, 43404, 54255, 65106, 72340, 79574, 97659, 108510, 119361, 130212, 159148, 162765, 195318, 198935, 217020, 238722, 325530, 358083, 390636, 397870, 477444, 488295, 596805, 651060, 716166, 795740, 976590, 1074249, 1193610, 1432332, 1790415, 1953180, 2148498, 2387220, 3580830, 4296996, 5371245, 7161660, 10742490, 21484980]

約数ペア:

[(1, 21484980), (2, 10742490), (3, 7161660), (4, 5371245), (5, 4296996), (6, 3580830), (9, 2387220), (10, 2148498), (11, 1953180), (12, 1790415), (15, 1432332), (18, 1193610), (20, 1074249), (22, 976590), (27, 795740), (30, 716166), (33, 651060), (36, 596805), (44, 488295), (45, 477444), (54, 397870), (55, 390636), (60, 358083), (66, 325530), (90, 238722), (99, 217020), (108, 198935), (110, 195318), (132, 162765), (135, 159148), (165, 130212), (180, 119361), (198, 108510), (220, 97659), (270, 79574), (297, 72340), (330, 65106), (396, 54255), (495, 43404), (540, 39787), (594, 36170), (660, 32553), (990, 21702), (1188, 18085), (1485, 14468), (1980, 10851), (2970, 7234), (3617, 5940)]