21124290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64013}}^1$

素因数の和:64034

約数の個数: 32

約数和(自身を含む): 55308096

約数和(自身を除く): 34183806

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 64013, 128026, 192039, 320065, 384078, 640130, 704143, 960195, 1408286, 1920390, 2112429, 3520715, 4224858, 7041430, 10562145, 21124290]

約数ペア:

[(1, 21124290), (2, 10562145), (3, 7041430), (5, 4224858), (6, 3520715), (10, 2112429), (11, 1920390), (15, 1408286), (22, 960195), (30, 704143), (33, 640130), (55, 384078), (66, 320065), (110, 192039), (165, 128026), (330, 64013)]