21305194

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 13715606

約数列:

[1, 2, 19, 38, 47, 79, 94, 151, 158, 302, 893, 1501, 1786, 2869, 3002, 3713, 5738, 7097, 7426, 11929, 14194, 23858, 70547, 134843, 141094, 226651, 269686, 453302, 560663, 1121326, 10652597, 21305194]

約数ペア:

[(1, 21305194), (2, 10652597), (19, 1121326), (38, 560663), (47, 453302), (79, 269686), (94, 226651), (151, 141094), (158, 134843), (302, 70547), (893, 23858), (1501, 14194), (1786, 11929), (2869, 7426), (3002, 7097), (3713, 5738)]