21638484

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5051}}^1$

素因数の和:5085

約数の個数: 72

約数和(自身を含む): 66201408

約数和(自身を除く): 44562924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 5051, 10102, 15153, 20204, 30306, 35357, 45459, 60612, 70714, 85867, 90918, 106071, 141428, 171734, 181836, 212142, 257601, 318213, 343468, 424284, 515202, 601069, 636426, 772803, 1030404, 1202138, 1272852, 1545606, 1803207, 2404276, 3091212, 3606414, 5409621, 7212828, 10819242, 21638484]

約数ペア:

[(1, 21638484), (2, 10819242), (3, 7212828), (4, 5409621), (6, 3606414), (7, 3091212), (9, 2404276), (12, 1803207), (14, 1545606), (17, 1272852), (18, 1202138), (21, 1030404), (28, 772803), (34, 636426), (36, 601069), (42, 515202), (51, 424284), (63, 343468), (68, 318213), (84, 257601), (102, 212142), (119, 181836), (126, 171734), (153, 141428), (204, 106071), (238, 90918), (252, 85867), (306, 70714), (357, 60612), (476, 45459), (612, 35357), (714, 30306), (1071, 20204), (1428, 15153), (2142, 10102), (4284, 5051)]