21330752

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:415

約数の個数: 56

約数和(自身を含む): 45329856

約数和(自身を除く): 23999104

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 64, 86, 92, 172, 184, 337, 344, 368, 674, 688, 736, 989, 1348, 1376, 1472, 1978, 2696, 2752, 3956, 5392, 7751, 7912, 10784, 14491, 15502, 15824, 21568, 28982, 31004, 31648, 57964, 62008, 63296, 115928, 124016, 231856, 248032, 333293, 463712, 496064, 666586, 927424, 1333172, 2666344, 5332688, 10665376, 21330752]

約数ペア:

[(1, 21330752), (2, 10665376), (4, 5332688), (8, 2666344), (16, 1333172), (23, 927424), (32, 666586), (43, 496064), (46, 463712), (64, 333293), (86, 248032), (92, 231856), (172, 124016), (184, 115928), (337, 63296), (344, 62008), (368, 57964), (674, 31648), (688, 31004), (736, 28982), (989, 21568), (1348, 15824), (1376, 15502), (1472, 14491), (1978, 10784), (2696, 7912), (2752, 7751), (3956, 5392)]