21411224639

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 26651996160

約数和(自身を除く): 5240771521

約数列:

[1, 7, 29, 37, 67, 157, 203, 259, 271, 469, 1073, 1099, 1897, 1943, 2479, 4553, 5809, 7511, 7859, 10027, 10519, 13601, 17353, 18157, 31871, 40663, 42547, 55013, 70189, 71891, 73633, 127099, 168461, 290783, 297829, 305051, 389203, 503237, 526553, 671809, 1179227, 1233863, 1574239, 2035481, 2135357, 2724421, 2850649, 3685871, 4702663, 8637041, 11019673, 11286887, 19482461, 19954543, 45652931, 79008209, 82668821, 105474013, 136377227, 319570517, 578681747, 738318091, 3058746377, 21411224639]

約数ペア:

[(1, 21411224639), (7, 3058746377), (29, 738318091), (37, 578681747), (67, 319570517), (157, 136377227), (203, 105474013), (259, 82668821), (271, 79008209), (469, 45652931), (1073, 19954543), (1099, 19482461), (1897, 11286887), (1943, 11019673), (2479, 8637041), (4553, 4702663), (5809, 3685871), (7511, 2850649), (7859, 2724421), (10027, 2135357), (10519, 2035481), (13601, 1574239), (17353, 1233863), (18157, 1179227), (31871, 671809), (40663, 526553), (42547, 503237), (55013, 389203), (70189, 305051), (71891, 297829), (73633, 290783), (127099, 168461)]