21311546368

素因数分解:

$2^{10}\times 7^1\times {\mathrm{2973151}}^1$

素因数の和:2973178

約数の個数: 44

約数和(自身を含む): 48688337152

約数和(自身を除く): 27376790784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3584, 7168, 2973151, 5946302, 11892604, 20812057, 23785208, 41624114, 47570416, 83248228, 95140832, 166496456, 190281664, 332992912, 380563328, 665985824, 761126656, 1331971648, 1522253312, 2663943296, 3044506624, 5327886592, 10655773184, 21311546368]

約数ペア:

[(1, 21311546368), (2, 10655773184), (4, 5327886592), (7, 3044506624), (8, 2663943296), (14, 1522253312), (16, 1331971648), (28, 761126656), (32, 665985824), (56, 380563328), (64, 332992912), (112, 190281664), (128, 166496456), (224, 95140832), (256, 83248228), (448, 47570416), (512, 41624114), (896, 23785208), (1024, 20812057), (1792, 11892604), (3584, 5946302), (7168, 2973151)]