21468510

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:367

約数の個数: 128

約数和(自身を含む): 67415040

約数和(自身を除く): 45946530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 37, 42, 45, 54, 63, 70, 74, 90, 105, 111, 126, 135, 185, 189, 210, 222, 259, 270, 307, 315, 333, 370, 378, 518, 555, 614, 630, 666, 777, 921, 945, 999, 1110, 1295, 1535, 1554, 1665, 1842, 1890, 1998, 2149, 2331, 2590, 2763, 3070, 3330, 3885, 4298, 4605, 4662, 4995, 5526, 6447, 6993, 7770, 8289, 9210, 9990, 10745, 11359, 11655, 12894, 13815, 13986, 16578, 19341, 21490, 22718, 23310, 27630, 32235, 34077, 34965, 38682, 41445, 56795, 58023, 64470, 68154, 69930, 79513, 82890, 96705, 102231, 113590, 116046, 159026, 170385, 193410, 204462, 238539, 290115, 306693, 340770, 397565, 477078, 511155, 580230, 613386, 715617, 795130, 1022310, 1192695, 1431234, 1533465, 2146851, 2385390, 3066930, 3578085, 4293702, 7156170, 10734255, 21468510]

約数ペア:

[(1, 21468510), (2, 10734255), (3, 7156170), (5, 4293702), (6, 3578085), (7, 3066930), (9, 2385390), (10, 2146851), (14, 1533465), (15, 1431234), (18, 1192695), (21, 1022310), (27, 795130), (30, 715617), (35, 613386), (37, 580230), (42, 511155), (45, 477078), (54, 397565), (63, 340770), (70, 306693), (74, 290115), (90, 238539), (105, 204462), (111, 193410), (126, 170385), (135, 159026), (185, 116046), (189, 113590), (210, 102231), (222, 96705), (259, 82890), (270, 79513), (307, 69930), (315, 68154), (333, 64470), (370, 58023), (378, 56795), (518, 41445), (555, 38682), (614, 34965), (630, 34077), (666, 32235), (777, 27630), (921, 23310), (945, 22718), (999, 21490), (1110, 19341), (1295, 16578), (1535, 13986), (1554, 13815), (1665, 12894), (1842, 11655), (1890, 11359), (1998, 10745), (2149, 9990), (2331, 9210), (2590, 8289), (2763, 7770), (3070, 6993), (3330, 6447), (3885, 5526), (4298, 4995), (4605, 4662)]