21633440

素因数分解:

$2^5\times 5^1\times {\mathrm{135209}}^1$

素因数の和:135224

約数の個数: 24

約数和(自身を含む): 51109380

約数和(自身を除く): 29475940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 135209, 270418, 540836, 676045, 1081672, 1352090, 2163344, 2704180, 4326688, 5408360, 10816720, 21633440]

約数ペア:

[(1, 21633440), (2, 10816720), (4, 5408360), (5, 4326688), (8, 2704180), (10, 2163344), (16, 1352090), (20, 1081672), (32, 676045), (40, 540836), (80, 270418), (160, 135209)]