21357362

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^2$

素因数の和:350

約数の個数: 24

約数和(自身を含む): 35672196

約数和(自身を除く): 14314834

約数列:

[1, 2, 13, 26, 37, 74, 149, 298, 481, 962, 1937, 3874, 5513, 11026, 22201, 44402, 71669, 143338, 288613, 577226, 821437, 1642874, 10678681, 21357362]

約数ペア:

[(1, 21357362), (2, 10678681), (13, 1642874), (26, 821437), (37, 577226), (74, 288613), (149, 143338), (298, 71669), (481, 44402), (962, 22201), (1937, 11026), (3874, 5513)]