21295274

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{967}}^1$

素因数の和:1011

約数の個数: 48

約数和(自身を含む): 43257984

約数和(自身を除く): 21962710

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 121, 143, 154, 182, 242, 286, 847, 967, 1001, 1573, 1694, 1934, 2002, 3146, 6769, 10637, 11011, 12571, 13538, 21274, 22022, 25142, 74459, 87997, 117007, 138281, 148918, 175994, 234014, 276562, 819049, 967967, 1521091, 1638098, 1935934, 3042182, 10647637, 21295274]

約数ペア:

[(1, 21295274), (2, 10647637), (7, 3042182), (11, 1935934), (13, 1638098), (14, 1521091), (22, 967967), (26, 819049), (77, 276562), (91, 234014), (121, 175994), (143, 148918), (154, 138281), (182, 117007), (242, 87997), (286, 74459), (847, 25142), (967, 22022), (1001, 21274), (1573, 13538), (1694, 12571), (1934, 11011), (2002, 10637), (3146, 6769)]