21571412

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4243}}^1$

素因数の和:4319

約数の個数: 24

約数和(自身を含む): 39927552

約数和(自身を除く): 18356140

約数列:

[1, 2, 4, 31, 41, 62, 82, 124, 164, 1271, 2542, 4243, 5084, 8486, 16972, 131533, 173963, 263066, 347926, 526132, 695852, 5392853, 10785706, 21571412]

約数ペア:

[(1, 21571412), (2, 10785706), (4, 5392853), (31, 695852), (41, 526132), (62, 347926), (82, 263066), (124, 173963), (164, 131533), (1271, 16972), (2542, 8486), (4243, 5084)]