21785896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6691}}^1$

素因数の和:6745

約数の個数: 32

約数和(自身を含む): 45773280

約数和(自身を除く): 23987384

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 6691, 13382, 26764, 53528, 73601, 147202, 247567, 294404, 495134, 588808, 990268, 1980536, 2723237, 5446474, 10892948, 21785896]

約数ペア:

[(1, 21785896), (2, 10892948), (4, 5446474), (8, 2723237), (11, 1980536), (22, 990268), (37, 588808), (44, 495134), (74, 294404), (88, 247567), (148, 147202), (296, 73601), (407, 53528), (814, 26764), (1628, 13382), (3256, 6691)]