21853712

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{14081}}^1$

素因数の和:14186

約数の個数: 20

約数和(自身を含む): 42781116

約数和(自身を除く): 20927404

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 14081, 28162, 56324, 112648, 225296, 1365857, 2731714, 5463428, 10926856, 21853712]

約数ペア:

[(1, 21853712), (2, 10926856), (4, 5463428), (8, 2731714), (16, 1365857), (97, 225296), (194, 112648), (388, 56324), (776, 28162), (1552, 14081)]