21764568

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{367}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 62530560

約数和(自身を除く): 40765992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 353, 367, 706, 734, 1059, 1101, 1412, 1468, 2118, 2202, 2471, 2569, 2824, 2936, 4236, 4404, 4942, 5138, 7413, 7707, 8472, 8808, 9884, 10276, 14826, 15414, 19768, 20552, 29652, 30828, 59304, 61656, 129551, 259102, 388653, 518204, 777306, 906857, 1036408, 1554612, 1813714, 2720571, 3109224, 3627428, 5441142, 7254856, 10882284, 21764568]

約数ペア:

[(1, 21764568), (2, 10882284), (3, 7254856), (4, 5441142), (6, 3627428), (7, 3109224), (8, 2720571), (12, 1813714), (14, 1554612), (21, 1036408), (24, 906857), (28, 777306), (42, 518204), (56, 388653), (84, 259102), (168, 129551), (353, 61656), (367, 59304), (706, 30828), (734, 29652), (1059, 20552), (1101, 19768), (1412, 15414), (1468, 14826), (2118, 10276), (2202, 9884), (2471, 8808), (2569, 8472), (2824, 7707), (2936, 7413), (4236, 5138), (4404, 4942)]