21553112

素因数分解:

$2^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1597}}^1$

素因数の和:1851

約数の個数: 32

約数和(自身を含む): 46405920

約数和(自身を除く): 24852808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 241, 482, 964, 1597, 1687, 1928, 3194, 3374, 6388, 6748, 11179, 12776, 13496, 22358, 44716, 89432, 384877, 769754, 1539508, 2694139, 3079016, 5388278, 10776556, 21553112]

約数ペア:

[(1, 21553112), (2, 10776556), (4, 5388278), (7, 3079016), (8, 2694139), (14, 1539508), (28, 769754), (56, 384877), (241, 89432), (482, 44716), (964, 22358), (1597, 13496), (1687, 12776), (1928, 11179), (3194, 6748), (3374, 6388)]