421721030

素因数分解:

$2^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{42299}}^1$

素因数の和:43303

約数の個数: 16

約数和(自身を含む): 759877200

約数和(自身を除く): 338156170

約数列:

[1, 2, 5, 10, 997, 1994, 4985, 9970, 42299, 84598, 211495, 422990, 42172103, 84344206, 210860515, 421721030]

約数ペア:

[(1, 421721030), (2, 210860515), (5, 84344206), (10, 42172103), (997, 422990), (1994, 211495), (4985, 84598), (9970, 42299)]