21549388

素因数分解:

$2^2\times 7^1\times {\mathrm{563}}^1\times {\mathrm{1367}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 43206912

約数和(自身を除く): 21657524

約数列:

[1, 2, 4, 7, 14, 28, 563, 1126, 1367, 2252, 2734, 3941, 5468, 7882, 9569, 15764, 19138, 38276, 769621, 1539242, 3078484, 5387347, 10774694, 21549388]

約数ペア:

[(1, 21549388), (2, 10774694), (4, 5387347), (7, 3078484), (14, 1539242), (28, 769621), (563, 38276), (1126, 19138), (1367, 15764), (2252, 9569), (2734, 7882), (3941, 5468)]