21198854

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{9241}}^1$

素因数の和:9311

約数の個数: 16

約数和(自身を含む): 33714816

約数和(自身を除く): 12515962

約数列:

[1, 2, 31, 37, 62, 74, 1147, 2294, 9241, 18482, 286471, 341917, 572942, 683834, 10599427, 21198854]

約数ペア:

[(1, 21198854), (2, 10599427), (31, 683834), (37, 572942), (62, 341917), (74, 286471), (1147, 18482), (2294, 9241)]