21497795270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{31081}}^1$

素因数の和:31377

約数の個数: 64

約数和(自身を含む): 45492112512

約数和(自身を除く): 23994317242

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 241, 287, 410, 482, 574, 1205, 1435, 1687, 2410, 2870, 3374, 8435, 9881, 16870, 19762, 31081, 49405, 62162, 69167, 98810, 138334, 155405, 217567, 310810, 345835, 435134, 691670, 1087835, 1274321, 2175670, 2548642, 6371605, 7490521, 8920247, 12743210, 14981042, 17840494, 37452605, 44601235, 52433647, 74905210, 89202470, 104867294, 262168235, 307111361, 524336470, 614222722, 1535556805, 2149779527, 3071113610, 4299559054, 10748897635, 21497795270]

約数ペア:

[(1, 21497795270), (2, 10748897635), (5, 4299559054), (7, 3071113610), (10, 2149779527), (14, 1535556805), (35, 614222722), (41, 524336470), (70, 307111361), (82, 262168235), (205, 104867294), (241, 89202470), (287, 74905210), (410, 52433647), (482, 44601235), (574, 37452605), (1205, 17840494), (1435, 14981042), (1687, 12743210), (2410, 8920247), (2870, 7490521), (3374, 6371605), (8435, 2548642), (9881, 2175670), (16870, 1274321), (19762, 1087835), (31081, 691670), (49405, 435134), (62162, 345835), (69167, 310810), (98810, 217567), (138334, 155405)]