21492688

素因数分解:

$2^4\times 7^1\times {\mathrm{191899}}^1$

素因数の和:191914

約数の個数: 20

約数和(自身を含む): 47591200

約数和(自身を除く): 26098512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191899, 383798, 767596, 1343293, 1535192, 2686586, 3070384, 5373172, 10746344, 21492688]

約数ペア:

[(1, 21492688), (2, 10746344), (4, 5373172), (7, 3070384), (8, 2686586), (14, 1535192), (16, 1343293), (28, 767596), (56, 383798), (112, 191899)]