21190194

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 51166080

約数和(自身を除く): 29975886

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 41, 51, 54, 82, 102, 123, 153, 246, 306, 369, 459, 563, 697, 738, 918, 1107, 1126, 1394, 1689, 2091, 2214, 3378, 4182, 5067, 6273, 9571, 10134, 12546, 15201, 18819, 19142, 23083, 28713, 30402, 37638, 46166, 57426, 69249, 86139, 138498, 172278, 207747, 258417, 392411, 415494, 516834, 623241, 784822, 1177233, 1246482, 2354466, 3531699, 7063398, 10595097, 21190194]

約数ペア:

[(1, 21190194), (2, 10595097), (3, 7063398), (6, 3531699), (9, 2354466), (17, 1246482), (18, 1177233), (27, 784822), (34, 623241), (41, 516834), (51, 415494), (54, 392411), (82, 258417), (102, 207747), (123, 172278), (153, 138498), (246, 86139), (306, 69249), (369, 57426), (459, 46166), (563, 37638), (697, 30402), (738, 28713), (918, 23083), (1107, 19142), (1126, 18819), (1394, 15201), (1689, 12546), (2091, 10134), (2214, 9571), (3378, 6273), (4182, 5067)]