21945035

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8831}}^1$

素因数の和:8914

約数の個数: 16

約数和(自身を含む): 30523392

約数和(自身を除く): 8578357

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 8831, 44155, 61817, 309085, 627001, 3135005, 4389007, 21945035]

約数ペア:

[(1, 21945035), (5, 4389007), (7, 3135005), (35, 627001), (71, 309085), (355, 61817), (497, 44155), (2485, 8831)]