21429435

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4423}}^1$

素因数の和:4467

約数の個数: 32

約数和(自身を含む): 38223360

約数和(自身を除く): 16793925

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4423, 4845, 13269, 22115, 66345, 75191, 84037, 225573, 252111, 375955, 420185, 1127865, 1260555, 1428629, 4285887, 7143145, 21429435]

約数ペア:

[(1, 21429435), (3, 7143145), (5, 4285887), (15, 1428629), (17, 1260555), (19, 1127865), (51, 420185), (57, 375955), (85, 252111), (95, 225573), (255, 84037), (285, 75191), (323, 66345), (969, 22115), (1615, 13269), (4423, 4845)]