21948585

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 36640512

約数和(自身を除く): 14691927

約数列:

[1, 3, 5, 15, 37, 71, 111, 185, 213, 355, 555, 557, 1065, 1671, 2627, 2785, 7881, 8355, 13135, 20609, 39405, 39547, 61827, 103045, 118641, 197735, 309135, 593205, 1463239, 4389717, 7316195, 21948585]

約数ペア:

[(1, 21948585), (3, 7316195), (5, 4389717), (15, 1463239), (37, 593205), (71, 309135), (111, 197735), (185, 118641), (213, 103045), (355, 61827), (555, 39547), (557, 39405), (1065, 20609), (1671, 13135), (2627, 8355), (2785, 7881)]