21223686

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{321571}}^1$

素因数の和:321587

約数の個数: 16

約数和(自身を含む): 46306368

約数和(自身を除く): 25082682

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 321571, 643142, 964713, 1929426, 3537281, 7074562, 10611843, 21223686]

約数ペア:

[(1, 21223686), (2, 10611843), (3, 7074562), (6, 3537281), (11, 1929426), (22, 964713), (33, 643142), (66, 321571)]