21672602

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 40027680

約数和(自身を除く): 18355078

約数列:

[1, 2, 7, 14, 37, 43, 49, 74, 86, 98, 139, 259, 278, 301, 518, 602, 973, 1591, 1813, 1946, 2107, 3182, 3626, 4214, 5143, 5977, 6811, 10286, 11137, 11954, 13622, 22274, 36001, 41839, 72002, 77959, 83678, 155918, 221149, 252007, 292873, 442298, 504014, 585746, 1548043, 3096086, 10836301, 21672602]

約数ペア:

[(1, 21672602), (2, 10836301), (7, 3096086), (14, 1548043), (37, 585746), (43, 504014), (49, 442298), (74, 292873), (86, 252007), (98, 221149), (139, 155918), (259, 83678), (278, 77959), (301, 72002), (518, 41839), (602, 36001), (973, 22274), (1591, 13622), (1813, 11954), (1946, 11137), (2107, 10286), (3182, 6811), (3626, 5977), (4214, 5143)]