21508342

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{13163}}^1$

素因数の和:13227

約数の個数: 16

約数和(自身を含む): 34752960

約数和(自身を除く): 13244618

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 13163, 26326, 250097, 500194, 566009, 1132018, 10754171, 21508342]

約数ペア:

[(1, 21508342), (2, 10754171), (19, 1132018), (38, 566009), (43, 500194), (86, 250097), (817, 26326), (1634, 13163)]