21585888

素因数分解:

$2^5\times 3^2\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:568

約数の個数: 72

約数和(自身を含む): 61837776

約数和(自身を除く): 40251888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 241, 288, 311, 482, 622, 723, 933, 964, 1244, 1446, 1866, 1928, 2169, 2488, 2799, 2892, 3732, 3856, 4338, 4976, 5598, 5784, 7464, 7712, 8676, 9952, 11196, 11568, 14928, 17352, 22392, 23136, 29856, 34704, 44784, 69408, 74951, 89568, 149902, 224853, 299804, 449706, 599608, 674559, 899412, 1199216, 1349118, 1798824, 2398432, 2698236, 3597648, 5396472, 7195296, 10792944, 21585888]

約数ペア:

[(1, 21585888), (2, 10792944), (3, 7195296), (4, 5396472), (6, 3597648), (8, 2698236), (9, 2398432), (12, 1798824), (16, 1349118), (18, 1199216), (24, 899412), (32, 674559), (36, 599608), (48, 449706), (72, 299804), (96, 224853), (144, 149902), (241, 89568), (288, 74951), (311, 69408), (482, 44784), (622, 34704), (723, 29856), (933, 23136), (964, 22392), (1244, 17352), (1446, 14928), (1866, 11568), (1928, 11196), (2169, 9952), (2488, 8676), (2799, 7712), (2892, 7464), (3732, 5784), (3856, 5598), (4338, 4976)]