21073612

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 45061632

約数和(自身を除く): 23988020

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 86, 92, 161, 172, 301, 322, 602, 644, 761, 989, 1204, 1522, 1978, 3044, 3956, 5327, 6923, 10654, 13846, 17503, 21308, 27692, 32723, 35006, 65446, 70012, 122521, 130892, 229061, 245042, 458122, 490084, 752629, 916244, 1505258, 3010516, 5268403, 10536806, 21073612]

約数ペア:

[(1, 21073612), (2, 10536806), (4, 5268403), (7, 3010516), (14, 1505258), (23, 916244), (28, 752629), (43, 490084), (46, 458122), (86, 245042), (92, 229061), (161, 130892), (172, 122521), (301, 70012), (322, 65446), (602, 35006), (644, 32723), (761, 27692), (989, 21308), (1204, 17503), (1522, 13846), (1978, 10654), (3044, 6923), (3956, 5327)]