21410208

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{4373}}^1$

素因数の和:4406

約数の個数: 72

約数和(自身を含む): 64481508

約数和(自身を除く): 43071300

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 272, 288, 306, 408, 544, 612, 816, 1224, 1632, 2448, 4373, 4896, 8746, 13119, 17492, 26238, 34984, 39357, 52476, 69968, 74341, 78714, 104952, 139936, 148682, 157428, 209904, 223023, 297364, 314856, 419808, 446046, 594728, 629712, 669069, 892092, 1189456, 1259424, 1338138, 1784184, 2378912, 2676276, 3568368, 5352552, 7136736, 10705104, 21410208]

約数ペア:

[(1, 21410208), (2, 10705104), (3, 7136736), (4, 5352552), (6, 3568368), (8, 2676276), (9, 2378912), (12, 1784184), (16, 1338138), (17, 1259424), (18, 1189456), (24, 892092), (32, 669069), (34, 629712), (36, 594728), (48, 446046), (51, 419808), (68, 314856), (72, 297364), (96, 223023), (102, 209904), (136, 157428), (144, 148682), (153, 139936), (204, 104952), (272, 78714), (288, 74341), (306, 69968), (408, 52476), (544, 39357), (612, 34984), (816, 26238), (1224, 17492), (1632, 13119), (2448, 8746), (4373, 4896)]