21369535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{10501}}^1$

素因数の和:10554

約数の個数: 16

約数和(自身を含む): 28733472

約数和(自身を除く): 7363937

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 10501, 52505, 115511, 388537, 577555, 1942685, 4273907, 21369535]

約数ペア:

[(1, 21369535), (5, 4273907), (11, 1942685), (37, 577555), (55, 388537), (185, 115511), (407, 52505), (2035, 10501)]