21366597

素因数分解:

$3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{761}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 33357312

約数和(自身を除く): 11990715

約数列:

[1, 3, 7, 21, 49, 147, 191, 573, 761, 1337, 2283, 4011, 5327, 9359, 15981, 28077, 37289, 111867, 145351, 436053, 1017457, 3052371, 7122199, 21366597]

約数ペア:

[(1, 21366597), (3, 7122199), (7, 3052371), (21, 1017457), (49, 436053), (147, 145351), (191, 111867), (573, 37289), (761, 28077), (1337, 15981), (2283, 9359), (4011, 5327)]