21415716

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4999}}^1$

素因数の和:5033

約数の個数: 72

約数和(自身を含む): 65520000

約数和(自身を除く): 44104284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 4999, 9998, 14997, 19996, 29994, 34993, 44991, 59988, 69986, 84983, 89982, 104979, 139972, 169966, 179964, 209958, 254949, 314937, 339932, 419916, 509898, 594881, 629874, 764847, 1019796, 1189762, 1259748, 1529694, 1784643, 2379524, 3059388, 3569286, 5353929, 7138572, 10707858, 21415716]

約数ペア:

[(1, 21415716), (2, 10707858), (3, 7138572), (4, 5353929), (6, 3569286), (7, 3059388), (9, 2379524), (12, 1784643), (14, 1529694), (17, 1259748), (18, 1189762), (21, 1019796), (28, 764847), (34, 629874), (36, 594881), (42, 509898), (51, 419916), (63, 339932), (68, 314937), (84, 254949), (102, 209958), (119, 179964), (126, 169966), (153, 139972), (204, 104979), (238, 89982), (252, 84983), (306, 69986), (357, 59988), (476, 44991), (612, 34993), (714, 29994), (1071, 19996), (1428, 14997), (2142, 9998), (4284, 4999)]