21419496

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42499}}^1$

素因数の和:42518

約数の個数: 48

約数和(自身を含む): 66300000

約数和(自身を除く): 44880504

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, 42499, 84998, 127497, 169996, 254994, 297493, 339992, 382491, 509988, 594986, 764982, 892479, 1019976, 1189972, 1529964, 1784958, 2379944, 2677437, 3059928, 3569916, 5354874, 7139832, 10709748, 21419496]

約数ペア:

[(1, 21419496), (2, 10709748), (3, 7139832), (4, 5354874), (6, 3569916), (7, 3059928), (8, 2677437), (9, 2379944), (12, 1784958), (14, 1529964), (18, 1189972), (21, 1019976), (24, 892479), (28, 764982), (36, 594986), (42, 509988), (56, 382491), (63, 339992), (72, 297493), (84, 254994), (126, 169996), (168, 127497), (252, 84998), (504, 42499)]