21468304

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{853}}^1$

素因数の和:896

約数の個数: 60

約数和(自身を含む): 49294588

約数和(自身を除く): 27826284

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 121, 143, 176, 208, 242, 286, 484, 572, 853, 968, 1144, 1573, 1706, 1936, 2288, 3146, 3412, 6292, 6824, 9383, 11089, 12584, 13648, 18766, 22178, 25168, 37532, 44356, 75064, 88712, 103213, 121979, 150128, 177424, 206426, 243958, 412852, 487916, 825704, 975832, 1341769, 1651408, 1951664, 2683538, 5367076, 10734152, 21468304]

約数ペア:

[(1, 21468304), (2, 10734152), (4, 5367076), (8, 2683538), (11, 1951664), (13, 1651408), (16, 1341769), (22, 975832), (26, 825704), (44, 487916), (52, 412852), (88, 243958), (104, 206426), (121, 177424), (143, 150128), (176, 121979), (208, 103213), (242, 88712), (286, 75064), (484, 44356), (572, 37532), (853, 25168), (968, 22178), (1144, 18766), (1573, 13648), (1706, 12584), (1936, 11089), (2288, 9383), (3146, 6824), (3412, 6292)]