21145410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 192

約数和(自身を含む): 67931136

約数和(自身を除く): 46785726

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 31, 33, 39, 45, 53, 55, 62, 65, 66, 78, 90, 93, 99, 106, 110, 117, 130, 143, 155, 159, 165, 186, 195, 198, 234, 265, 279, 286, 310, 318, 330, 341, 390, 403, 429, 465, 477, 495, 530, 558, 583, 585, 682, 689, 715, 795, 806, 858, 930, 954, 990, 1023, 1166, 1170, 1209, 1287, 1378, 1395, 1430, 1590, 1643, 1705, 1749, 2015, 2046, 2067, 2145, 2385, 2418, 2574, 2790, 2915, 3069, 3286, 3410, 3445, 3498, 3627, 4030, 4134, 4290, 4433, 4770, 4929, 5115, 5247, 5830, 6045, 6138, 6201, 6435, 6890, 7254, 7579, 8215, 8745, 8866, 9858, 10230, 10335, 10494, 12090, 12402, 12870, 13299, 14787, 15158, 15345, 16430, 17490, 18073, 18135, 20670, 21359, 22165, 22737, 24645, 26235, 26598, 29574, 30690, 31005, 36146, 36270, 37895, 39897, 42718, 44330, 45474, 49290, 52470, 54219, 62010, 64077, 66495, 68211, 73935, 75790, 79794, 90365, 106795, 108438, 113685, 128154, 132990, 136422, 147870, 162657, 180730, 192231, 199485, 213590, 227370, 234949, 271095, 320385, 325314, 341055, 384462, 398970, 469898, 542190, 640770, 682110, 704847, 813285, 961155, 1174745, 1409694, 1626570, 1922310, 2114541, 2349490, 3524235, 4229082, 7048470, 10572705, 21145410]

約数ペア:

[(1, 21145410), (2, 10572705), (3, 7048470), (5, 4229082), (6, 3524235), (9, 2349490), (10, 2114541), (11, 1922310), (13, 1626570), (15, 1409694), (18, 1174745), (22, 961155), (26, 813285), (30, 704847), (31, 682110), (33, 640770), (39, 542190), (45, 469898), (53, 398970), (55, 384462), (62, 341055), (65, 325314), (66, 320385), (78, 271095), (90, 234949), (93, 227370), (99, 213590), (106, 199485), (110, 192231), (117, 180730), (130, 162657), (143, 147870), (155, 136422), (159, 132990), (165, 128154), (186, 113685), (195, 108438), (198, 106795), (234, 90365), (265, 79794), (279, 75790), (286, 73935), (310, 68211), (318, 66495), (330, 64077), (341, 62010), (390, 54219), (403, 52470), (429, 49290), (465, 45474), (477, 44330), (495, 42718), (530, 39897), (558, 37895), (583, 36270), (585, 36146), (682, 31005), (689, 30690), (715, 29574), (795, 26598), (806, 26235), (858, 24645), (930, 22737), (954, 22165), (990, 21359), (1023, 20670), (1166, 18135), (1170, 18073), (1209, 17490), (1287, 16430), (1378, 15345), (1395, 15158), (1430, 14787), (1590, 13299), (1643, 12870), (1705, 12402), (1749, 12090), (2015, 10494), (2046, 10335), (2067, 10230), (2145, 9858), (2385, 8866), (2418, 8745), (2574, 8215), (2790, 7579), (2915, 7254), (3069, 6890), (3286, 6435), (3410, 6201), (3445, 6138), (3498, 6045), (3627, 5830), (4030, 5247), (4134, 5115), (4290, 4929), (4433, 4770)]