21936708

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 58426368

約数和(自身を除く): 36489660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 43, 74, 86, 111, 129, 148, 172, 222, 258, 333, 383, 387, 444, 516, 666, 766, 774, 1149, 1332, 1532, 1548, 1591, 2298, 3182, 3447, 4596, 4773, 6364, 6894, 9546, 13788, 14171, 14319, 16469, 19092, 28342, 28638, 32938, 42513, 49407, 56684, 57276, 65876, 85026, 98814, 127539, 148221, 170052, 197628, 255078, 296442, 510156, 592884, 609353, 1218706, 1828059, 2437412, 3656118, 5484177, 7312236, 10968354, 21936708]

約数ペア:

[(1, 21936708), (2, 10968354), (3, 7312236), (4, 5484177), (6, 3656118), (9, 2437412), (12, 1828059), (18, 1218706), (36, 609353), (37, 592884), (43, 510156), (74, 296442), (86, 255078), (111, 197628), (129, 170052), (148, 148221), (172, 127539), (222, 98814), (258, 85026), (333, 65876), (383, 57276), (387, 56684), (444, 49407), (516, 42513), (666, 32938), (766, 28638), (774, 28342), (1149, 19092), (1332, 16469), (1532, 14319), (1548, 14171), (1591, 13788), (2298, 9546), (3182, 6894), (3447, 6364), (4596, 4773)]