21796648

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{743}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 43300800

約数和(自身を除く): 21504152

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 193, 386, 743, 772, 1486, 1544, 2972, 3667, 5944, 7334, 14117, 14668, 28234, 29336, 56468, 112936, 143399, 286798, 573596, 1147192, 2724581, 5449162, 10898324, 21796648]

約数ペア:

[(1, 21796648), (2, 10898324), (4, 5449162), (8, 2724581), (19, 1147192), (38, 573596), (76, 286798), (152, 143399), (193, 112936), (386, 56468), (743, 29336), (772, 28234), (1486, 14668), (1544, 14117), (2972, 7334), (3667, 5944)]