21887824

素因数分解:

$2^4\times 7^1\times {\mathrm{195427}}^1$

素因数の和:195442

約数の個数: 20

約数和(自身を含む): 48466144

約数和(自身を除く): 26578320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195427, 390854, 781708, 1367989, 1563416, 2735978, 3126832, 5471956, 10943912, 21887824]

約数ペア:

[(1, 21887824), (2, 10943912), (4, 5471956), (7, 3126832), (8, 2735978), (14, 1563416), (16, 1367989), (28, 781708), (56, 390854), (112, 195427)]