21969514

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 39223296

約数和(自身を除く): 17253782

約数列:

[1, 2, 7, 14, 31, 62, 217, 223, 227, 434, 446, 454, 1561, 1589, 3122, 3178, 6913, 7037, 13826, 14074, 48391, 49259, 50621, 96782, 98518, 101242, 354347, 708694, 1569251, 3138502, 10984757, 21969514]

約数ペア:

[(1, 21969514), (2, 10984757), (7, 3138502), (14, 1569251), (31, 708694), (62, 354347), (217, 101242), (223, 98518), (227, 96782), (434, 50621), (446, 49259), (454, 48391), (1561, 14074), (1589, 13826), (3122, 7037), (3178, 6913)]