21254954

素因数分解:

$2^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{4229}}^1$

素因数の和:4597

約数の個数: 16

約数和(自身を含む): 36547200

約数和(自身を除く): 15292246

約数列:

[1, 2, 7, 14, 359, 718, 2513, 4229, 5026, 8458, 29603, 59206, 1518211, 3036422, 10627477, 21254954]

約数ペア:

[(1, 21254954), (2, 10627477), (7, 3036422), (14, 1518211), (359, 59206), (718, 29603), (2513, 8458), (4229, 5026)]