21904656

素因数分解:

$2^4\times 3^1\times {\mathrm{137}}^1\times {\mathrm{3331}}^1$

素因数の和:3479

約数の個数: 40

約数和(自身を含む): 57017184

約数和(自身を除く): 35112528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 137, 274, 411, 548, 822, 1096, 1644, 2192, 3288, 3331, 6576, 6662, 9993, 13324, 19986, 26648, 39972, 53296, 79944, 159888, 456347, 912694, 1369041, 1825388, 2738082, 3650776, 5476164, 7301552, 10952328, 21904656]

約数ペア:

[(1, 21904656), (2, 10952328), (3, 7301552), (4, 5476164), (6, 3650776), (8, 2738082), (12, 1825388), (16, 1369041), (24, 912694), (48, 456347), (137, 159888), (274, 79944), (411, 53296), (548, 39972), (822, 26648), (1096, 19986), (1644, 13324), (2192, 9993), (3288, 6662), (3331, 6576)]