21240294

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 43920096

約数和(自身を除く): 22679802

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 241, 397, 482, 723, 794, 1191, 1446, 2382, 8917, 14689, 17834, 26751, 29378, 44067, 53502, 88134, 95677, 191354, 287031, 574062, 3540049, 7080098, 10620147, 21240294]

約数ペア:

[(1, 21240294), (2, 10620147), (3, 7080098), (6, 3540049), (37, 574062), (74, 287031), (111, 191354), (222, 95677), (241, 88134), (397, 53502), (482, 44067), (723, 29378), (794, 26751), (1191, 17834), (1446, 14689), (2382, 8917)]