21000835438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1\times {\mathrm{11131}}^1$

素因数の和:11784

約数の個数: 32

約数和(自身を含む): 34624972800

約数和(自身を除く): 13624137362

約数列:

[1, 2, 11, 22, 191, 382, 449, 898, 2101, 4202, 4939, 9878, 11131, 22262, 85759, 122441, 171518, 244882, 943349, 1886698, 2126021, 4252042, 4997819, 9995638, 23386231, 46772462, 54976009, 109952018, 954583429, 1909166858, 10500417719, 21000835438]

約数ペア:

[(1, 21000835438), (2, 10500417719), (11, 1909166858), (22, 954583429), (191, 109952018), (382, 54976009), (449, 46772462), (898, 23386231), (2101, 9995638), (4202, 4997819), (4939, 4252042), (9878, 2126021), (11131, 1886698), (22262, 943349), (85759, 244882), (122441, 171518)]