21914704

素因数分解:

$2^4\times 7^1\times {\mathrm{389}}^1\times {\mathrm{503}}^1$

素因数の和:907

約数の個数: 40

約数和(自身を含む): 48746880

約数和(自身を除く): 26832176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 389, 503, 778, 1006, 1556, 2012, 2723, 3112, 3521, 4024, 5446, 6224, 7042, 8048, 10892, 14084, 21784, 28168, 43568, 56336, 195667, 391334, 782668, 1369669, 1565336, 2739338, 3130672, 5478676, 10957352, 21914704]

約数ペア:

[(1, 21914704), (2, 10957352), (4, 5478676), (7, 3130672), (8, 2739338), (14, 1565336), (16, 1369669), (28, 782668), (56, 391334), (112, 195667), (389, 56336), (503, 43568), (778, 28168), (1006, 21784), (1556, 14084), (2012, 10892), (2723, 8048), (3112, 7042), (3521, 6224), (4024, 5446)]