21000474153393

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1\times {\mathrm{15547373}}^1$

素因数の和:15548005

約数の個数: 32

約数和(自身を含む): 32310677025792

約数和(自身を除く): 11310202872399

約数列:

[1, 3, 7, 21, 131, 393, 491, 917, 1473, 2751, 3437, 10311, 64321, 192963, 450247, 1350741, 15547373, 46642119, 108831611, 326494833, 2036705863, 6110117589, 7633760143, 14256941041, 22901280429, 42770823123, 53436321001, 160308963003, 1000022578733, 3000067736199, 7000158051131, 21000474153393]

約数ペア:

[(1, 21000474153393), (3, 7000158051131), (7, 3000067736199), (21, 1000022578733), (131, 160308963003), (393, 53436321001), (491, 42770823123), (917, 22901280429), (1473, 14256941041), (2751, 7633760143), (3437, 6110117589), (10311, 2036705863), (64321, 326494833), (192963, 108831611), (450247, 46642119), (1350741, 15547373)]