21231310

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 18167090

約数列:

[1, 2, 5, 10, 47, 94, 199, 227, 235, 398, 454, 470, 995, 1135, 1990, 2270, 9353, 10669, 18706, 21338, 45173, 46765, 53345, 90346, 93530, 106690, 225865, 451730, 2123131, 4246262, 10615655, 21231310]

約数ペア:

[(1, 21231310), (2, 10615655), (5, 4246262), (10, 2123131), (47, 451730), (94, 225865), (199, 106690), (227, 93530), (235, 90346), (398, 53345), (454, 46765), (470, 45173), (995, 21338), (1135, 18706), (1990, 10669), (2270, 9353)]