21173552

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{7393}}^1$

素因数の和:7580

約数の個数: 20

約数和(自身を含む): 41258520

約数和(自身を除く): 20084968

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 7393, 14786, 29572, 59144, 118288, 1323347, 2646694, 5293388, 10586776, 21173552]

約数ペア:

[(1, 21173552), (2, 10586776), (4, 5293388), (8, 2646694), (16, 1323347), (179, 118288), (358, 59144), (716, 29572), (1432, 14786), (2864, 7393)]