21869266

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1367}}^1$

素因数の和:1809

約数の個数: 16

約数和(自身を含む): 34637760

約数和(自身を除く): 12768494

約数列:

[1, 2, 19, 38, 421, 842, 1367, 2734, 7999, 15998, 25973, 51946, 575507, 1151014, 10934633, 21869266]

約数ペア:

[(1, 21869266), (2, 10934633), (19, 1151014), (38, 575507), (421, 51946), (842, 25973), (1367, 15998), (2734, 7999)]