21373280

素因数分解:

$2^5\times 5^1\times {\mathrm{133583}}^1$

素因数の和:133598

約数の個数: 24

約数和(自身を含む): 50494752

約数和(自身を除く): 29121472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 133583, 267166, 534332, 667915, 1068664, 1335830, 2137328, 2671660, 4274656, 5343320, 10686640, 21373280]

約数ペア:

[(1, 21373280), (2, 10686640), (4, 5343320), (5, 4274656), (8, 2671660), (10, 2137328), (16, 1335830), (20, 1068664), (32, 667915), (40, 534332), (80, 267166), (160, 133583)]