21053412

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{11467}}^1$

素因数の和:11497

約数の個数: 48

約数和(自身を含む): 57798720

約数和(自身を除く): 36745308

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 11467, 22934, 34401, 45868, 68802, 103203, 137604, 194939, 206406, 309609, 389878, 412812, 584817, 619218, 779756, 1169634, 1238436, 1754451, 2339268, 3508902, 5263353, 7017804, 10526706, 21053412]

約数ペア:

[(1, 21053412), (2, 10526706), (3, 7017804), (4, 5263353), (6, 3508902), (9, 2339268), (12, 1754451), (17, 1238436), (18, 1169634), (27, 779756), (34, 619218), (36, 584817), (51, 412812), (54, 389878), (68, 309609), (102, 206406), (108, 194939), (153, 137604), (204, 103203), (306, 68802), (459, 45868), (612, 34401), (918, 22934), (1836, 11467)]