21618862719

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{498119}}^1$

素因数の和:498199

約数の個数: 32

約数和(自身を含む): 32708551680

約数和(自身を除く): 11089688961

約数列:

[1, 3, 17, 23, 37, 51, 69, 111, 391, 629, 851, 1173, 1887, 2553, 14467, 43401, 498119, 1494357, 8468023, 11456737, 18430403, 25404069, 34370211, 55291209, 194764529, 313316851, 423899269, 584293587, 939950553, 1271697807, 7206287573, 21618862719]

約数ペア:

[(1, 21618862719), (3, 7206287573), (17, 1271697807), (23, 939950553), (37, 584293587), (51, 423899269), (69, 313316851), (111, 194764529), (391, 55291209), (629, 34370211), (851, 25404069), (1173, 18430403), (1887, 11456737), (2553, 8468023), (14467, 1494357), (43401, 498119)]