21383362

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1015

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 22053374

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 121, 143, 154, 182, 242, 286, 847, 971, 1001, 1573, 1694, 1942, 2002, 3146, 6797, 10681, 11011, 12623, 13594, 21362, 22022, 25246, 74767, 88361, 117491, 138853, 149534, 176722, 234982, 277706, 822437, 971971, 1527383, 1644874, 1943942, 3054766, 10691681, 21383362]

約数ペア:

[(1, 21383362), (2, 10691681), (7, 3054766), (11, 1943942), (13, 1644874), (14, 1527383), (22, 971971), (26, 822437), (77, 277706), (91, 234982), (121, 176722), (143, 149534), (154, 138853), (182, 117491), (242, 88361), (286, 74767), (847, 25246), (971, 22022), (1001, 21362), (1573, 13594), (1694, 12623), (1942, 11011), (2002, 10681), (3146, 6797)]