21427502

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 13167058

約数列:

[1, 2, 41, 43, 59, 82, 86, 103, 118, 206, 1763, 2419, 2537, 3526, 4223, 4429, 4838, 5074, 6077, 8446, 8858, 12154, 104017, 181589, 208034, 249157, 261311, 363178, 498314, 522622, 10713751, 21427502]

約数ペア:

[(1, 21427502), (2, 10713751), (41, 522622), (43, 498314), (59, 363178), (82, 261311), (86, 249157), (103, 208034), (118, 181589), (206, 104017), (1763, 12154), (2419, 8858), (2537, 8446), (3526, 6077), (4223, 5074), (4429, 4838)]