21930608

素因数分解:

$2^4\times 7^1\times {\mathrm{195809}}^1$

素因数の和:195824

約数の個数: 20

約数和(自身を含む): 48560880

約数和(自身を除く): 26630272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195809, 391618, 783236, 1370663, 1566472, 2741326, 3132944, 5482652, 10965304, 21930608]

約数ペア:

[(1, 21930608), (2, 10965304), (4, 5482652), (7, 3132944), (8, 2741326), (14, 1566472), (16, 1370663), (28, 783236), (56, 391618), (112, 195809)]