21343738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1123}}^1$

素因数の和:1198

約数の個数: 32

約数和(自身を含む): 37388736

約数和(自身を除く): 16044998

約数列:

[1, 2, 13, 17, 26, 34, 43, 86, 221, 442, 559, 731, 1118, 1123, 1462, 2246, 9503, 14599, 19006, 19091, 29198, 38182, 48289, 96578, 248183, 496366, 627757, 820913, 1255514, 1641826, 10671869, 21343738]

約数ペア:

[(1, 21343738), (2, 10671869), (13, 1641826), (17, 1255514), (26, 820913), (34, 627757), (43, 496366), (86, 248183), (221, 96578), (442, 48289), (559, 38182), (731, 29198), (1118, 19091), (1123, 19006), (1462, 14599), (2246, 9503)]