21849843

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{509}}^1$

素因数の和:902

約数の個数: 16

約数和(自身を含む): 29988000

約数和(自身を除く): 8138157

約数列:

[1, 3, 41, 123, 349, 509, 1047, 1527, 14309, 20869, 42927, 62607, 177641, 532923, 7283281, 21849843]

約数ペア:

[(1, 21849843), (3, 7283281), (41, 532923), (123, 177641), (349, 62607), (509, 42927), (1047, 20869), (1527, 14309)]