21070147299

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{1151}}^1\times {\mathrm{16903}}^1$

素因数の和:18095

約数の個数: 24

約数和(自身を含む): 29677473792

約数和(自身を除く): 8607326493

約数列:

[1, 3, 19, 57, 361, 1083, 1151, 3453, 16903, 21869, 50709, 65607, 321157, 415511, 963471, 1246533, 6101983, 18305949, 19455353, 58366059, 369651707, 1108955121, 7023382433, 21070147299]

約数ペア:

[(1, 21070147299), (3, 7023382433), (19, 1108955121), (57, 369651707), (361, 58366059), (1083, 19455353), (1151, 18305949), (3453, 6101983), (16903, 1246533), (21869, 963471), (50709, 415511), (65607, 321157)]