21641544

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17681}}^1$

素因数の和:17710

約数の個数: 48

約数和(自身を含む): 62063820

約数和(自身を除く): 40422276

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 17681, 35362, 53043, 70724, 106086, 141448, 159129, 212172, 300577, 318258, 424344, 601154, 636516, 901731, 1202308, 1273032, 1803462, 2404616, 2705193, 3606924, 5410386, 7213848, 10820772, 21641544]

約数ペア:

[(1, 21641544), (2, 10820772), (3, 7213848), (4, 5410386), (6, 3606924), (8, 2705193), (9, 2404616), (12, 1803462), (17, 1273032), (18, 1202308), (24, 901731), (34, 636516), (36, 601154), (51, 424344), (68, 318258), (72, 300577), (102, 212172), (136, 159129), (153, 141448), (204, 106086), (306, 70724), (408, 53043), (612, 35362), (1224, 17681)]