21079700

素因数分解:

$2^2\times 5^2\times {\mathrm{277}}^1\times {\mathrm{761}}^1$

素因数の和:1052

約数の個数: 36

約数和(自身を含む): 45968412

約数和(自身を除く): 24888712

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 277, 554, 761, 1108, 1385, 1522, 2770, 3044, 3805, 5540, 6925, 7610, 13850, 15220, 19025, 27700, 38050, 76100, 210797, 421594, 843188, 1053985, 2107970, 4215940, 5269925, 10539850, 21079700]

約数ペア:

[(1, 21079700), (2, 10539850), (4, 5269925), (5, 4215940), (10, 2107970), (20, 1053985), (25, 843188), (50, 421594), (100, 210797), (277, 76100), (554, 38050), (761, 27700), (1108, 19025), (1385, 15220), (1522, 13850), (2770, 7610), (3044, 6925), (3805, 5540)]