21462848

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:775

約数の個数: 56

約数和(自身を含む): 47609760

約数和(自身を除く): 26146912

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 64, 86, 88, 172, 176, 344, 352, 473, 688, 704, 709, 946, 1376, 1418, 1892, 2752, 2836, 3784, 5672, 7568, 7799, 11344, 15136, 15598, 22688, 30272, 30487, 31196, 45376, 60974, 62392, 121948, 124784, 243896, 249568, 335357, 487792, 499136, 670714, 975584, 1341428, 1951168, 2682856, 5365712, 10731424, 21462848]

約数ペア:

[(1, 21462848), (2, 10731424), (4, 5365712), (8, 2682856), (11, 1951168), (16, 1341428), (22, 975584), (32, 670714), (43, 499136), (44, 487792), (64, 335357), (86, 249568), (88, 243896), (172, 124784), (176, 121948), (344, 62392), (352, 60974), (473, 45376), (688, 31196), (704, 30487), (709, 30272), (946, 22688), (1376, 15598), (1418, 15136), (1892, 11344), (2752, 7799), (2836, 7568), (3784, 5672)]