21173824

素因数分解:

$2^6\times 7^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:483

約数の個数: 56

約数和(自身を含む): 48491648

約数和(自身を除く): 27317824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 151, 224, 302, 313, 448, 604, 626, 1057, 1208, 1252, 2114, 2191, 2416, 2504, 4228, 4382, 4832, 5008, 8456, 8764, 9664, 10016, 16912, 17528, 20032, 33824, 35056, 47263, 67648, 70112, 94526, 140224, 189052, 330841, 378104, 661682, 756208, 1323364, 1512416, 2646728, 3024832, 5293456, 10586912, 21173824]

約数ペア:

[(1, 21173824), (2, 10586912), (4, 5293456), (7, 3024832), (8, 2646728), (14, 1512416), (16, 1323364), (28, 756208), (32, 661682), (56, 378104), (64, 330841), (112, 189052), (151, 140224), (224, 94526), (302, 70112), (313, 67648), (448, 47263), (604, 35056), (626, 33824), (1057, 20032), (1208, 17528), (1252, 16912), (2114, 10016), (2191, 9664), (2416, 8764), (2504, 8456), (4228, 5008), (4382, 4832)]