21120544

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{9851}}^1$

素因数の和:9928

約数の個数: 24

約数和(自身を含む): 42205968

約数和(自身を除く): 21085424

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 536, 1072, 2144, 9851, 19702, 39404, 78808, 157616, 315232, 660017, 1320034, 2640068, 5280136, 10560272, 21120544]

約数ペア:

[(1, 21120544), (2, 10560272), (4, 5280136), (8, 2640068), (16, 1320034), (32, 660017), (67, 315232), (134, 157616), (268, 78808), (536, 39404), (1072, 19702), (2144, 9851)]