21014315

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13963}}^1$

素因数の和:14018

約数の個数: 16

約数和(自身を含む): 29491968

約数和(自身を除く): 8477653

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 13963, 69815, 97741, 488705, 600409, 3002045, 4202863, 21014315]

約数ペア:

[(1, 21014315), (5, 4202863), (7, 3002045), (35, 600409), (43, 488705), (215, 97741), (301, 69815), (1505, 13963)]