21563056

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{7529}}^1$

素因数の和:7716

約数の個数: 20

約数和(自身を含む): 42017400

約数和(自身を除く): 20454344

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 7529, 15058, 30116, 60232, 120464, 1347691, 2695382, 5390764, 10781528, 21563056]

約数ペア:

[(1, 21563056), (2, 10781528), (4, 5390764), (8, 2695382), (16, 1347691), (179, 120464), (358, 60232), (716, 30116), (1432, 15058), (2864, 7529)]