21317415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{203023}}^1$

素因数の和:203038

約数の個数: 16

約数和(自身を含む): 38980608

約数和(自身を除く): 17663193

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 203023, 609069, 1015115, 1421161, 3045345, 4263483, 7105805, 21317415]

約数ペア:

[(1, 21317415), (3, 7105805), (5, 4263483), (7, 3045345), (15, 1421161), (21, 1015115), (35, 609069), (105, 203023)]