21068796

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 60712960

約数和(自身を除く): 39644164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 43, 57, 76, 84, 86, 114, 129, 133, 172, 228, 258, 266, 301, 307, 399, 516, 532, 602, 614, 798, 817, 903, 921, 1204, 1228, 1596, 1634, 1806, 1842, 2149, 2451, 3268, 3612, 3684, 4298, 4902, 5719, 5833, 6447, 8596, 9804, 11438, 11666, 12894, 13201, 17157, 17499, 22876, 23332, 25788, 26402, 34314, 34998, 39603, 40831, 52804, 68628, 69996, 79206, 81662, 92407, 122493, 158412, 163324, 184814, 244986, 250819, 277221, 369628, 489972, 501638, 554442, 752457, 1003276, 1108884, 1504914, 1755733, 3009828, 3511466, 5267199, 7022932, 10534398, 21068796]

約数ペア:

[(1, 21068796), (2, 10534398), (3, 7022932), (4, 5267199), (6, 3511466), (7, 3009828), (12, 1755733), (14, 1504914), (19, 1108884), (21, 1003276), (28, 752457), (38, 554442), (42, 501638), (43, 489972), (57, 369628), (76, 277221), (84, 250819), (86, 244986), (114, 184814), (129, 163324), (133, 158412), (172, 122493), (228, 92407), (258, 81662), (266, 79206), (301, 69996), (307, 68628), (399, 52804), (516, 40831), (532, 39603), (602, 34998), (614, 34314), (798, 26402), (817, 25788), (903, 23332), (921, 22876), (1204, 17499), (1228, 17157), (1596, 13201), (1634, 12894), (1806, 11666), (1842, 11438), (2149, 9804), (2451, 8596), (3268, 6447), (3612, 5833), (3684, 5719), (4298, 4902)]