21839916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7027}}^1$

素因数の和:7078

約数の個数: 48

約数和(自身を含む): 59822336

約数和(自身を除く): 37982420

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 7027, 14054, 21081, 28108, 42162, 49189, 84324, 98378, 147567, 196756, 259999, 295134, 519998, 590268, 779997, 1039996, 1559994, 1819993, 3119988, 3639986, 5459979, 7279972, 10919958, 21839916]

約数ペア:

[(1, 21839916), (2, 10919958), (3, 7279972), (4, 5459979), (6, 3639986), (7, 3119988), (12, 1819993), (14, 1559994), (21, 1039996), (28, 779997), (37, 590268), (42, 519998), (74, 295134), (84, 259999), (111, 196756), (148, 147567), (222, 98378), (259, 84324), (444, 49189), (518, 42162), (777, 28108), (1036, 21081), (1554, 14054), (3108, 7027)]