21548378

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{2617}}^1$

素因数の和:2821

約数の個数: 16

約数和(自身を含む): 33929280

約数和(自身を除く): 12380902

約数列:

[1, 2, 23, 46, 179, 358, 2617, 4117, 5234, 8234, 60191, 120382, 468443, 936886, 10774189, 21548378]

約数ペア:

[(1, 21548378), (2, 10774189), (23, 936886), (46, 468443), (179, 120382), (358, 60191), (2617, 8234), (4117, 5234)]