211921416

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{420479}}^1$

素因数の和:420498

約数の個数: 48

約数和(自身を含む): 655948800

約数和(自身を除く): 444027384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 420479, 840958, 1261437, 1681916, 2522874, 2943353, 3363832, 3784311, 5045748, 5886706, 7568622, 8830059, 10091496, 11773412, 15137244, 17660118, 23546824, 26490177, 30274488, 35320236, 52980354, 70640472, 105960708, 211921416]

約数ペア:

[(1, 211921416), (2, 105960708), (3, 70640472), (4, 52980354), (6, 35320236), (7, 30274488), (8, 26490177), (9, 23546824), (12, 17660118), (14, 15137244), (18, 11773412), (21, 10091496), (24, 8830059), (28, 7568622), (36, 5886706), (42, 5045748), (56, 3784311), (63, 3363832), (72, 2943353), (84, 2522874), (126, 1681916), (168, 1261437), (252, 840958), (504, 420479)]