21421656

素因数分解:

$2^3\times 3^2\times {\mathrm{297523}}^1$

素因数の和:297535

約数の個数: 24

約数和(自身を含む): 58017180

約数和(自身を除く): 36595524

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 297523, 595046, 892569, 1190092, 1785138, 2380184, 2677707, 3570276, 5355414, 7140552, 10710828, 21421656]

約数ペア:

[(1, 21421656), (2, 10710828), (3, 7140552), (4, 5355414), (6, 3570276), (8, 2677707), (9, 2380184), (12, 1785138), (18, 1190092), (24, 892569), (36, 595046), (72, 297523)]