21231130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1759}}^1$

素因数の和:1854

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 19826150

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 1759, 2414, 3518, 6035, 8795, 12070, 17590, 29903, 59806, 124889, 149515, 249778, 299030, 624445, 1248890, 2123113, 4246226, 10615565, 21231130]

約数ペア:

[(1, 21231130), (2, 10615565), (5, 4246226), (10, 2123113), (17, 1248890), (34, 624445), (71, 299030), (85, 249778), (142, 149515), (170, 124889), (355, 59806), (710, 29903), (1207, 17590), (1759, 12070), (2414, 8795), (3518, 6035)]