212811711

素因数分解:

$3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{24071}}^1$

素因数の和:24502

約数の個数: 16

約数和(自身を含む): 325068288

約数和(自身を除く): 112256577

約数列:

[1, 3, 7, 21, 421, 1263, 2947, 8841, 24071, 72213, 168497, 505491, 10133891, 30401673, 70937237, 212811711]

約数ペア:

[(1, 212811711), (3, 70937237), (7, 30401673), (21, 10133891), (421, 505491), (1263, 168497), (2947, 72213), (8841, 24071)]