21337338687

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{74149}}^1$

素因数の和:74423

約数の個数: 32

約数和(自身を含む): 33143270400

約数和(自身を除く): 11805931713

約数列:

[1, 3, 7, 21, 71, 193, 213, 497, 579, 1351, 1491, 4053, 13703, 41109, 74149, 95921, 222447, 287763, 519043, 1557129, 5264579, 14310757, 15793737, 36852053, 42932271, 100175299, 110556159, 300525897, 1016063747, 3048191241, 7112446229, 21337338687]

約数ペア:

[(1, 21337338687), (3, 7112446229), (7, 3048191241), (21, 1016063747), (71, 300525897), (193, 110556159), (213, 100175299), (497, 42932271), (579, 36852053), (1351, 15793737), (1491, 14310757), (4053, 5264579), (13703, 1557129), (41109, 519043), (74149, 287763), (95921, 222447)]