21882980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{156307}}^1$

素因数の和:156323

約数の個数: 24

約数和(自身を含む): 52519488

約数和(自身を除く): 30636508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 156307, 312614, 625228, 781535, 1094149, 1563070, 2188298, 3126140, 4376596, 5470745, 10941490, 21882980]

約数ペア:

[(1, 21882980), (2, 10941490), (4, 5470745), (5, 4376596), (7, 3126140), (10, 2188298), (14, 1563070), (20, 1094149), (28, 781535), (35, 625228), (70, 312614), (140, 156307)]