21504014

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{90353}}^1$

素因数の和:90379

約数の個数: 16

約数和(自身を含む): 39032928

約数和(自身を除く): 17528914

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 90353, 180706, 632471, 1264942, 1536001, 3072002, 10752007, 21504014]

約数ペア:

[(1, 21504014), (2, 10752007), (7, 3072002), (14, 1536001), (17, 1264942), (34, 632471), (119, 180706), (238, 90353)]