21429254

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{613}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 40317696

約数和(自身を除く): 18888442

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 227, 454, 613, 1226, 1589, 2497, 3178, 4291, 4994, 6743, 8582, 13486, 17479, 34958, 47201, 94402, 139151, 278302, 974057, 1530661, 1948114, 3061322, 10714627, 21429254]

約数ペア:

[(1, 21429254), (2, 10714627), (7, 3061322), (11, 1948114), (14, 1530661), (22, 974057), (77, 278302), (154, 139151), (227, 94402), (454, 47201), (613, 34958), (1226, 17479), (1589, 13486), (2497, 8582), (3178, 6743), (4291, 4994)]