21645876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257689}}^1$

素因数の和:257703

約数の個数: 24

約数和(自身を含む): 57722560

約数和(自身を除く): 36076684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257689, 515378, 773067, 1030756, 1546134, 1803823, 3092268, 3607646, 5411469, 7215292, 10822938, 21645876]

約数ペア:

[(1, 21645876), (2, 10822938), (3, 7215292), (4, 5411469), (6, 3607646), (7, 3092268), (12, 1803823), (14, 1546134), (21, 1030756), (28, 773067), (42, 515378), (84, 257689)]