21191880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176599}}^1$

素因数の和:176613

約数の個数: 32

約数和(自身を含む): 63576000

約数和(自身を除く): 42384120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176599, 353198, 529797, 706396, 882995, 1059594, 1412792, 1765990, 2119188, 2648985, 3531980, 4238376, 5297970, 7063960, 10595940, 21191880]

約数ペア:

[(1, 21191880), (2, 10595940), (3, 7063960), (4, 5297970), (5, 4238376), (6, 3531980), (8, 2648985), (10, 2119188), (12, 1765990), (15, 1412792), (20, 1059594), (24, 882995), (30, 706396), (40, 529797), (60, 353198), (120, 176599)]