21297202

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1\times {\mathrm{607}}^1$

素因数の和:993

約数の個数: 16

約数和(自身を含む): 32700672

約数和(自身を除く): 11403470

約数列:

[1, 2, 53, 106, 331, 607, 662, 1214, 17543, 32171, 35086, 64342, 200917, 401834, 10648601, 21297202]

約数ペア:

[(1, 21297202), (2, 10648601), (53, 401834), (106, 200917), (331, 64342), (607, 35086), (662, 32171), (1214, 17543)]