21746490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2089}}^1$

素因数の和:2446

約数の個数: 32

約数和(自身を含む): 52367040

約数和(自身を除く): 30620550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 347, 694, 1041, 1735, 2082, 2089, 3470, 4178, 5205, 6267, 10410, 10445, 12534, 20890, 31335, 62670, 724883, 1449766, 2174649, 3624415, 4349298, 7248830, 10873245, 21746490]

約数ペア:

[(1, 21746490), (2, 10873245), (3, 7248830), (5, 4349298), (6, 3624415), (10, 2174649), (15, 1449766), (30, 724883), (347, 62670), (694, 31335), (1041, 20890), (1735, 12534), (2082, 10445), (2089, 10410), (3470, 6267), (4178, 5205)]