21423185

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 30730752

約数和(自身を除く): 9307567

約数列:

[1, 5, 7, 35, 37, 71, 185, 233, 259, 355, 497, 1165, 1295, 1631, 2485, 2627, 8155, 8621, 13135, 16543, 18389, 43105, 60347, 82715, 91945, 115801, 301735, 579005, 612091, 3060455, 4284637, 21423185]

約数ペア:

[(1, 21423185), (5, 4284637), (7, 3060455), (35, 612091), (37, 579005), (71, 301735), (185, 115801), (233, 91945), (259, 82715), (355, 60347), (497, 43105), (1165, 18389), (1295, 16543), (1631, 13135), (2485, 8621), (2627, 8155)]