21697088

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2549}}^1$

素因数の和:2587

約数の個数: 56

約数和(自身を含む): 51816000

約数和(自身を除く): 30118912

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 224, 266, 304, 448, 532, 608, 1064, 1216, 2128, 2549, 4256, 5098, 8512, 10196, 17843, 20392, 35686, 40784, 48431, 71372, 81568, 96862, 142744, 163136, 193724, 285488, 339017, 387448, 570976, 678034, 774896, 1141952, 1356068, 1549792, 2712136, 3099584, 5424272, 10848544, 21697088]

約数ペア:

[(1, 21697088), (2, 10848544), (4, 5424272), (7, 3099584), (8, 2712136), (14, 1549792), (16, 1356068), (19, 1141952), (28, 774896), (32, 678034), (38, 570976), (56, 387448), (64, 339017), (76, 285488), (112, 193724), (133, 163136), (152, 142744), (224, 96862), (266, 81568), (304, 71372), (448, 48431), (532, 40784), (608, 35686), (1064, 20392), (1216, 17843), (2128, 10196), (2549, 8512), (4256, 5098)]