21633280

素因数分解:

$2^8\times 5^1\times {\mathrm{16901}}^1$

素因数の和:16922

約数の個数: 36

約数和(自身を含む): 51821532

約数和(自身を除く): 30188252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 16901, 33802, 67604, 84505, 135208, 169010, 270416, 338020, 540832, 676040, 1081664, 1352080, 2163328, 2704160, 4326656, 5408320, 10816640, 21633280]

約数ペア:

[(1, 21633280), (2, 10816640), (4, 5408320), (5, 4326656), (8, 2704160), (10, 2163328), (16, 1352080), (20, 1081664), (32, 676040), (40, 540832), (64, 338020), (80, 270416), (128, 169010), (160, 135208), (256, 84505), (320, 67604), (640, 33802), (1280, 16901)]