21708516

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{44123}}^1$

素因数の和:44171

約数の個数: 24

約数和(自身を含む): 51889824

約数和(自身を除く): 30181308

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 44123, 88246, 132369, 176492, 264738, 529476, 1809043, 3618086, 5427129, 7236172, 10854258, 21708516]

約数ペア:

[(1, 21708516), (2, 10854258), (3, 7236172), (4, 5427129), (6, 3618086), (12, 1809043), (41, 529476), (82, 264738), (123, 176492), (164, 132369), (246, 88246), (492, 44123)]