21449946

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{72959}}^1$

素因数の和:72978

約数の個数: 24

約数和(自身を含む): 49904640

約数和(自身を除く): 28454694

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 72959, 145918, 218877, 437754, 510713, 1021426, 1532139, 3064278, 3574991, 7149982, 10724973, 21449946]

約数ペア:

[(1, 21449946), (2, 10724973), (3, 7149982), (6, 3574991), (7, 3064278), (14, 1532139), (21, 1021426), (42, 510713), (49, 437754), (98, 218877), (147, 145918), (294, 72959)]