21284270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5737}}^1$

素因数の和:5804

約数の個数: 32

約数和(自身を含む): 44618688

約数和(自身を除く): 23334418

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 5737, 11474, 28685, 40159, 57370, 80318, 200795, 304061, 401590, 608122, 1520305, 2128427, 3040610, 4256854, 10642135, 21284270]

約数ペア:

[(1, 21284270), (2, 10642135), (5, 4256854), (7, 3040610), (10, 2128427), (14, 1520305), (35, 608122), (53, 401590), (70, 304061), (106, 200795), (265, 80318), (371, 57370), (530, 40159), (742, 28685), (1855, 11474), (3710, 5737)]