21523936

素因数分解:

$2^5\times 7^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 96

約数和(自身を含む): 51710400

約数和(自身を除く): 30186464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 49, 53, 56, 74, 98, 106, 112, 148, 196, 212, 224, 259, 296, 343, 371, 392, 424, 518, 592, 686, 742, 784, 848, 1036, 1184, 1372, 1484, 1568, 1696, 1813, 1961, 2072, 2597, 2744, 2968, 3626, 3922, 4144, 5194, 5488, 5936, 7252, 7844, 8288, 10388, 10976, 11872, 12691, 13727, 14504, 15688, 18179, 20776, 25382, 27454, 29008, 31376, 36358, 41552, 50764, 54908, 58016, 62752, 72716, 83104, 96089, 101528, 109816, 145432, 192178, 203056, 219632, 290864, 384356, 406112, 439264, 581728, 672623, 768712, 1345246, 1537424, 2690492, 3074848, 5380984, 10761968, 21523936]

約数ペア:

[(1, 21523936), (2, 10761968), (4, 5380984), (7, 3074848), (8, 2690492), (14, 1537424), (16, 1345246), (28, 768712), (32, 672623), (37, 581728), (49, 439264), (53, 406112), (56, 384356), (74, 290864), (98, 219632), (106, 203056), (112, 192178), (148, 145432), (196, 109816), (212, 101528), (224, 96089), (259, 83104), (296, 72716), (343, 62752), (371, 58016), (392, 54908), (424, 50764), (518, 41552), (592, 36358), (686, 31376), (742, 29008), (784, 27454), (848, 25382), (1036, 20776), (1184, 18179), (1372, 15688), (1484, 14504), (1568, 13727), (1696, 12691), (1813, 11872), (1961, 10976), (2072, 10388), (2597, 8288), (2744, 7844), (2968, 7252), (3626, 5936), (3922, 5488), (4144, 5194)]