21823802

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1035

約数の個数: 48

約数和(自身を含む): 44330496

約数和(自身を除く): 22506694

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 121, 143, 154, 182, 242, 286, 847, 991, 1001, 1573, 1694, 1982, 2002, 3146, 6937, 10901, 11011, 12883, 13874, 21802, 22022, 25766, 76307, 90181, 119911, 141713, 152614, 180362, 239822, 283426, 839377, 991991, 1558843, 1678754, 1983982, 3117686, 10911901, 21823802]

約数ペア:

[(1, 21823802), (2, 10911901), (7, 3117686), (11, 1983982), (13, 1678754), (14, 1558843), (22, 991991), (26, 839377), (77, 283426), (91, 239822), (121, 180362), (143, 152614), (154, 141713), (182, 119911), (242, 90181), (286, 76307), (847, 25766), (991, 22022), (1001, 21802), (1573, 13874), (1694, 12883), (1982, 11011), (2002, 10901), (3146, 6937)]