21334516

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{7121}}^1$

素因数の和:7239

約数の個数: 24

約数和(自身を含む): 43073856

約数和(自身を除く): 21739340

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 7121, 14242, 28484, 49847, 99694, 199388, 761947, 1523894, 3047788, 5333629, 10667258, 21334516]

約数ペア:

[(1, 21334516), (2, 10667258), (4, 5333629), (7, 3047788), (14, 1523894), (28, 761947), (107, 199388), (214, 99694), (428, 49847), (749, 28484), (1498, 14242), (2996, 7121)]