21075036

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 53639040

約数和(自身を除く): 32564004

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 59, 68, 102, 103, 118, 177, 204, 206, 236, 289, 309, 354, 412, 578, 618, 708, 867, 1003, 1156, 1236, 1734, 1751, 2006, 3009, 3468, 3502, 4012, 5253, 6018, 6077, 7004, 10506, 12036, 12154, 17051, 18231, 21012, 24308, 29767, 34102, 36462, 51153, 59534, 68204, 72924, 89301, 102306, 103309, 119068, 178602, 204612, 206618, 309927, 357204, 413236, 619854, 1239708, 1756253, 3512506, 5268759, 7025012, 10537518, 21075036]

約数ペア:

[(1, 21075036), (2, 10537518), (3, 7025012), (4, 5268759), (6, 3512506), (12, 1756253), (17, 1239708), (34, 619854), (51, 413236), (59, 357204), (68, 309927), (102, 206618), (103, 204612), (118, 178602), (177, 119068), (204, 103309), (206, 102306), (236, 89301), (289, 72924), (309, 68204), (354, 59534), (412, 51153), (578, 36462), (618, 34102), (708, 29767), (867, 24308), (1003, 21012), (1156, 18231), (1236, 17051), (1734, 12154), (1751, 12036), (2006, 10506), (3009, 7004), (3468, 6077), (3502, 6018), (4012, 5253)]