21005538

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^2\times {\mathrm{3643}}^1$

素因数の和:3710

約数の個数: 24

約数和(自身を含む): 43421904

約数和(自身を除く): 22416366

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 961, 1922, 2883, 3643, 5766, 7286, 10929, 21858, 112933, 225866, 338799, 677598, 3500923, 7001846, 10502769, 21005538]

約数ペア:

[(1, 21005538), (2, 10502769), (3, 7001846), (6, 3500923), (31, 677598), (62, 338799), (93, 225866), (186, 112933), (961, 21858), (1922, 10929), (2883, 7286), (3643, 5766)]