21143384

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{24247}}^1$

素因数の和:24362

約数の個数: 16

約数和(自身を含む): 40009200

約数和(自身を除く): 18865816

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 24247, 48494, 96988, 193976, 2642923, 5285846, 10571692, 21143384]

約数ペア:

[(1, 21143384), (2, 10571692), (4, 5285846), (8, 2642923), (109, 193976), (218, 96988), (436, 48494), (872, 24247)]