21070501

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 22777200

約数和(自身を除く): 1706699

約数列:

[1, 29, 37, 73, 269, 1073, 2117, 2701, 7801, 9953, 19637, 78329, 288637, 569473, 726569, 21070501]

約数ペア:

[(1, 21070501), (29, 726569), (37, 569473), (73, 288637), (269, 78329), (1073, 19637), (2117, 9953), (2701, 7801)]