21068208

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{6967}}^1$

素因数の和:6991

約数の個数: 80

約数和(自身を含む): 69122560

約数和(自身を除く): 48054352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 6967, 13934, 20901, 27868, 41802, 48769, 55736, 62703, 83604, 97538, 111472, 125406, 146307, 167208, 188109, 195076, 250812, 292614, 334416, 376218, 390152, 438921, 501624, 585228, 752436, 780304, 877842, 1003248, 1170456, 1316763, 1504872, 1755684, 2340912, 2633526, 3009744, 3511368, 5267052, 7022736, 10534104, 21068208]

約数ペア:

[(1, 21068208), (2, 10534104), (3, 7022736), (4, 5267052), (6, 3511368), (7, 3009744), (8, 2633526), (9, 2340912), (12, 1755684), (14, 1504872), (16, 1316763), (18, 1170456), (21, 1003248), (24, 877842), (27, 780304), (28, 752436), (36, 585228), (42, 501624), (48, 438921), (54, 390152), (56, 376218), (63, 334416), (72, 292614), (84, 250812), (108, 195076), (112, 188109), (126, 167208), (144, 146307), (168, 125406), (189, 111472), (216, 97538), (252, 83604), (336, 62703), (378, 55736), (432, 48769), (504, 41802), (756, 27868), (1008, 20901), (1512, 13934), (3024, 6967)]