21716188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11287}}^1$

素因数の和:11341

約数の個数: 24

約数和(自身を含む): 42036512

約数和(自身を除く): 20320324

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 11287, 22574, 45148, 146731, 293462, 417619, 586924, 835238, 1670476, 5429047, 10858094, 21716188]

約数ペア:

[(1, 21716188), (2, 10858094), (4, 5429047), (13, 1670476), (26, 835238), (37, 586924), (52, 417619), (74, 293462), (148, 146731), (481, 45148), (962, 22574), (1924, 11287)]