21359412

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{2053}}^1$

素因数の和:2097

約数の個数: 54

約数和(自身を含む): 57382598

約数和(自身を除く): 36023186

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 289, 306, 578, 612, 867, 1156, 1734, 2053, 2601, 3468, 4106, 5202, 6159, 8212, 10404, 12318, 18477, 24636, 34901, 36954, 69802, 73908, 104703, 139604, 209406, 314109, 418812, 593317, 628218, 1186634, 1256436, 1779951, 2373268, 3559902, 5339853, 7119804, 10679706, 21359412]

約数ペア:

[(1, 21359412), (2, 10679706), (3, 7119804), (4, 5339853), (6, 3559902), (9, 2373268), (12, 1779951), (17, 1256436), (18, 1186634), (34, 628218), (36, 593317), (51, 418812), (68, 314109), (102, 209406), (153, 139604), (204, 104703), (289, 73908), (306, 69802), (578, 36954), (612, 34901), (867, 24636), (1156, 18477), (1734, 12318), (2053, 10404), (2601, 8212), (3468, 6159), (4106, 5202)]