21570130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1061}}^1$

素因数の和:1194

約数の個数: 32

約数和(自身を含む): 41290560

約数和(自身を除く): 19720430

約数列:

[1, 2, 5, 10, 19, 38, 95, 107, 190, 214, 535, 1061, 1070, 2033, 2122, 4066, 5305, 10165, 10610, 20159, 20330, 40318, 100795, 113527, 201590, 227054, 567635, 1135270, 2157013, 4314026, 10785065, 21570130]

約数ペア:

[(1, 21570130), (2, 10785065), (5, 4314026), (10, 2157013), (19, 1135270), (38, 567635), (95, 227054), (107, 201590), (190, 113527), (214, 100795), (535, 40318), (1061, 20330), (1070, 20159), (2033, 10610), (2122, 10165), (4066, 5305)]