17719422

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{421891}}^1$

素因数の和:421903

約数の個数: 16

約数和(自身を含む): 40501632

約数和(自身を除く): 22782210

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 421891, 843782, 1265673, 2531346, 2953237, 5906474, 8859711, 17719422]

約数ペア:

[(1, 17719422), (2, 8859711), (3, 5906474), (6, 2953237), (7, 2531346), (14, 1265673), (21, 843782), (42, 421891)]