21100617

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 31187520

約数和(自身を除く): 10086903

約数列:

[1, 3, 9, 101, 139, 167, 303, 417, 501, 909, 1251, 1503, 14039, 16867, 23213, 42117, 50601, 69639, 126351, 151803, 208917, 2344513, 7033539, 21100617]

約数ペア:

[(1, 21100617), (3, 7033539), (9, 2344513), (101, 208917), (139, 151803), (167, 126351), (303, 69639), (417, 50601), (501, 42117), (909, 23213), (1251, 16867), (1503, 14039)]