21915866

素因数分解:

$2^1\times 7^1\times {\mathrm{1097}}^1\times {\mathrm{1427}}^1$

素因数の和:2533

約数の個数: 16

約数和(自身を含む): 37630656

約数和(自身を除く): 15714790

約数列:

[1, 2, 7, 14, 1097, 1427, 2194, 2854, 7679, 9989, 15358, 19978, 1565419, 3130838, 10957933, 21915866]

約数ペア:

[(1, 21915866), (2, 10957933), (7, 3130838), (14, 1565419), (1097, 19978), (1427, 15358), (2194, 9989), (2854, 7679)]