21951542

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1\times {\mathrm{401}}^1$

素因数の和:775

約数の個数: 16

約数和(自身を含む): 33459264

約数和(自身を除く): 11507722

約数列:

[1, 2, 101, 202, 271, 401, 542, 802, 27371, 40501, 54742, 81002, 108671, 217342, 10975771, 21951542]

約数ペア:

[(1, 21951542), (2, 10975771), (101, 217342), (202, 108671), (271, 81002), (401, 54742), (542, 40501), (802, 27371)]