21639324

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257611}}^1$

素因数の和:257625

約数の個数: 24

約数和(自身を含む): 57705088

約数和(自身を除く): 36065764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257611, 515222, 772833, 1030444, 1545666, 1803277, 3091332, 3606554, 5409831, 7213108, 10819662, 21639324]

約数ペア:

[(1, 21639324), (2, 10819662), (3, 7213108), (4, 5409831), (6, 3606554), (7, 3091332), (12, 1803277), (14, 1545666), (21, 1030444), (28, 772833), (42, 515222), (84, 257611)]