21547550

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 42934752

約数和(自身を除く): 21387202

約数列:

[1, 2, 5, 10, 23, 25, 41, 46, 50, 82, 115, 205, 230, 410, 457, 575, 914, 943, 1025, 1150, 1886, 2050, 2285, 4570, 4715, 9430, 10511, 11425, 18737, 21022, 22850, 23575, 37474, 47150, 52555, 93685, 105110, 187370, 262775, 430951, 468425, 525550, 861902, 936850, 2154755, 4309510, 10773775, 21547550]

約数ペア:

[(1, 21547550), (2, 10773775), (5, 4309510), (10, 2154755), (23, 936850), (25, 861902), (41, 525550), (46, 468425), (50, 430951), (82, 262775), (115, 187370), (205, 105110), (230, 93685), (410, 52555), (457, 47150), (575, 37474), (914, 23575), (943, 22850), (1025, 21022), (1150, 18737), (1886, 11425), (2050, 10511), (2285, 9430), (4570, 4715)]