21968491

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 1670549

約数列:

[1, 31, 37, 107, 179, 1147, 3317, 3959, 5549, 6623, 19153, 122729, 205313, 593743, 708661, 21968491]

約数ペア:

[(1, 21968491), (31, 708661), (37, 593743), (107, 205313), (179, 122729), (1147, 19153), (3317, 6623), (3959, 5549)]