21735105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{653}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 39930624

約数和(自身を除く): 18195519

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 317, 653, 951, 1585, 1959, 2219, 3265, 4571, 4755, 6657, 9795, 11095, 13713, 22855, 33285, 68565, 207001, 621003, 1035005, 1449007, 3105015, 4347021, 7245035, 21735105]

約数ペア:

[(1, 21735105), (3, 7245035), (5, 4347021), (7, 3105015), (15, 1449007), (21, 1035005), (35, 621003), (105, 207001), (317, 68565), (653, 33285), (951, 22855), (1585, 13713), (1959, 11095), (2219, 9795), (3265, 6657), (4571, 4755)]