21469732

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 36

約数和(自身を含む): 40139008

約数和(自身を除く): 18669276

約数列:

[1, 2, 4, 31, 41, 62, 82, 103, 124, 164, 206, 412, 1271, 1681, 2542, 3193, 3362, 4223, 5084, 6386, 6724, 8446, 12772, 16892, 52111, 104222, 130913, 173143, 208444, 261826, 346286, 523652, 692572, 5367433, 10734866, 21469732]

約数ペア:

[(1, 21469732), (2, 10734866), (4, 5367433), (31, 692572), (41, 523652), (62, 346286), (82, 261826), (103, 208444), (124, 173143), (164, 130913), (206, 104222), (412, 52111), (1271, 16892), (1681, 12772), (2542, 8446), (3193, 6724), (3362, 6386), (4223, 5084)]