21103586

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19081}}^1$

素因数の和:19169

約数の個数: 16

約数和(自身を含む): 36637440

約数和(自身を除く): 15533854

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 19081, 38162, 133567, 267134, 1507399, 3014798, 10551793, 21103586]

約数ペア:

[(1, 21103586), (2, 10551793), (7, 3014798), (14, 1507399), (79, 267134), (158, 133567), (553, 38162), (1106, 19081)]