21380118

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1171}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 45567360

約数和(自身を除く): 24187242

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 179, 358, 537, 1074, 1171, 2342, 3043, 3513, 6086, 7026, 9129, 18258, 19907, 39814, 59721, 119442, 209609, 419218, 628827, 1257654, 3563353, 7126706, 10690059, 21380118]

約数ペア:

[(1, 21380118), (2, 10690059), (3, 7126706), (6, 3563353), (17, 1257654), (34, 628827), (51, 419218), (102, 209609), (179, 119442), (358, 59721), (537, 39814), (1074, 19907), (1171, 18258), (2342, 9129), (3043, 7026), (3513, 6086)]