21934815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{659}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 40296960

約数和(自身を除く): 18362145

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 317, 659, 951, 1585, 1977, 2219, 3295, 4613, 4755, 6657, 9885, 11095, 13839, 23065, 33285, 69195, 208903, 626709, 1044515, 1462321, 3133545, 4386963, 7311605, 21934815]

約数ペア:

[(1, 21934815), (3, 7311605), (5, 4386963), (7, 3133545), (15, 1462321), (21, 1044515), (35, 626709), (105, 208903), (317, 69195), (659, 33285), (951, 23065), (1585, 13839), (1977, 11095), (2219, 9885), (3295, 6657), (4613, 4755)]