21185996810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1\times {\mathrm{3187}}^1$

素因数の和:3699

約数の個数: 64

約数和(自身を含む): 41955508224

約数和(自身を除く): 20769511414

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 223, 271, 446, 542, 1115, 1355, 2230, 2453, 2710, 2981, 3187, 4906, 5962, 6374, 12265, 14905, 15935, 24530, 29810, 31870, 35057, 60433, 70114, 120866, 175285, 302165, 350570, 604330, 664763, 710701, 863677, 1329526, 1421402, 1727354, 3323815, 3553505, 4318385, 6647630, 7107010, 7817711, 8636770, 9500447, 15635422, 19000894, 39088555, 47502235, 78177110, 95004470, 192599971, 385199942, 962999855, 1925999710, 2118599681, 4237199362, 10592998405, 21185996810]

約数ペア:

[(1, 21185996810), (2, 10592998405), (5, 4237199362), (10, 2118599681), (11, 1925999710), (22, 962999855), (55, 385199942), (110, 192599971), (223, 95004470), (271, 78177110), (446, 47502235), (542, 39088555), (1115, 19000894), (1355, 15635422), (2230, 9500447), (2453, 8636770), (2710, 7817711), (2981, 7107010), (3187, 6647630), (4906, 4318385), (5962, 3553505), (6374, 3323815), (12265, 1727354), (14905, 1421402), (15935, 1329526), (24530, 863677), (29810, 710701), (31870, 664763), (35057, 604330), (60433, 350570), (70114, 302165), (120866, 175285)]