21179536

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1489}}^1$

素因数の和:1631

約数の個数: 40

約数和(自身を含む): 47298560

約数和(自身を除く): 26119024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1489, 1778, 2032, 2978, 3556, 5956, 7112, 10423, 11912, 14224, 20846, 23824, 41692, 83384, 166768, 189103, 378206, 756412, 1323721, 1512824, 2647442, 3025648, 5294884, 10589768, 21179536]

約数ペア:

[(1, 21179536), (2, 10589768), (4, 5294884), (7, 3025648), (8, 2647442), (14, 1512824), (16, 1323721), (28, 756412), (56, 378206), (112, 189103), (127, 166768), (254, 83384), (508, 41692), (889, 23824), (1016, 20846), (1489, 14224), (1778, 11912), (2032, 10423), (2978, 7112), (3556, 5956)]