21897435

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{601}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 40223232

約数和(自身を除く): 18325797

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 347, 601, 1041, 1735, 1803, 2429, 3005, 4207, 5205, 7287, 9015, 12145, 12621, 21035, 36435, 63105, 208547, 625641, 1042735, 1459829, 3128205, 4379487, 7299145, 21897435]

約数ペア:

[(1, 21897435), (3, 7299145), (5, 4379487), (7, 3128205), (15, 1459829), (21, 1042735), (35, 625641), (105, 208547), (347, 63105), (601, 36435), (1041, 21035), (1735, 12621), (1803, 12145), (2429, 9015), (3005, 7287), (4207, 5205)]