21672870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1297}}^1$

素因数の和:1864

約数の個数: 32

約数和(自身を含む): 52148448

約数和(自身を除く): 30475578

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 557, 1114, 1297, 1671, 2594, 2785, 3342, 3891, 5570, 6485, 7782, 8355, 12970, 16710, 19455, 38910, 722429, 1444858, 2167287, 3612145, 4334574, 7224290, 10836435, 21672870]

約数ペア:

[(1, 21672870), (2, 10836435), (3, 7224290), (5, 4334574), (6, 3612145), (10, 2167287), (15, 1444858), (30, 722429), (557, 38910), (1114, 19455), (1297, 16710), (1671, 12970), (2594, 8355), (2785, 7782), (3342, 6485), (3891, 5570)]