1821041642

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1941409}}^1$

素因数の和:1941485

約数の個数: 16

約数和(自身を含む): 3168381120

約数和(自身を除く): 1347339478

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 1941409, 3882818, 13589863, 27179726, 130074403, 260148806, 910520821, 1821041642]

約数ペア:

[(1, 1821041642), (2, 910520821), (7, 260148806), (14, 130074403), (67, 27179726), (134, 13589863), (469, 3882818), (938, 1941409)]