21914692

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1237}}^1$

素因数の和:1387

約数の個数: 24

約数和(自身を含む): 39655616

約数和(自身を除く): 17740924

約数列:

[1, 2, 4, 43, 86, 103, 172, 206, 412, 1237, 2474, 4429, 4948, 8858, 17716, 53191, 106382, 127411, 212764, 254822, 509644, 5478673, 10957346, 21914692]

約数ペア:

[(1, 21914692), (2, 10957346), (4, 5478673), (43, 509644), (86, 254822), (103, 212764), (172, 127411), (206, 106382), (412, 53191), (1237, 17716), (2474, 8858), (4429, 4948)]