21616833

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 34099200

約数和(自身を除く): 12482367

約数列:

[1, 3, 7, 21, 59, 73, 177, 219, 239, 413, 511, 717, 1239, 1533, 1673, 4307, 5019, 12921, 14101, 17447, 30149, 42303, 52341, 90447, 98707, 122129, 296121, 366387, 1029373, 3088119, 7205611, 21616833]

約数ペア:

[(1, 21616833), (3, 7205611), (7, 3088119), (21, 1029373), (59, 366387), (73, 296121), (177, 122129), (219, 98707), (239, 90447), (413, 52341), (511, 42303), (717, 30149), (1239, 17447), (1533, 14101), (1673, 12921), (4307, 5019)]