21072058

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{4057}}^1$

素因数の和:4126

約数の個数: 24

約数和(自身を含む): 37471572

約数和(自身を除く): 16399514

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 4057, 5194, 8114, 28399, 56798, 198793, 215021, 397586, 430042, 1505147, 3010294, 10536029, 21072058]

約数ペア:

[(1, 21072058), (2, 10536029), (7, 3010294), (14, 1505147), (49, 430042), (53, 397586), (98, 215021), (106, 198793), (371, 56798), (742, 28399), (2597, 8114), (4057, 5194)]