21007622

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{619}}^1$

素因数の和:931

約数の個数: 16

約数和(自身を含む): 32140800

約数和(自身を除く): 11133178

約数列:

[1, 2, 71, 142, 239, 478, 619, 1238, 16969, 33938, 43949, 87898, 147941, 295882, 10503811, 21007622]

約数ペア:

[(1, 21007622), (2, 10503811), (71, 295882), (142, 147941), (239, 87898), (478, 43949), (619, 33938), (1238, 16969)]