21936586

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 39502080

約数和(自身を除く): 17565494

約数列:

[1, 2, 7, 14, 29, 58, 71, 142, 203, 406, 497, 761, 994, 1522, 2059, 4118, 5327, 10654, 14413, 22069, 28826, 44138, 54031, 108062, 154483, 308966, 378217, 756434, 1566899, 3133798, 10968293, 21936586]

約数ペア:

[(1, 21936586), (2, 10968293), (7, 3133798), (14, 1566899), (29, 756434), (58, 378217), (71, 308966), (142, 154483), (203, 108062), (406, 54031), (497, 44138), (761, 28826), (994, 22069), (1522, 14413), (2059, 10654), (4118, 5327)]