21204694

素因数分解:

$2^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{4219}}^1$

素因数の和:4587

約数の個数: 16

約数和(自身を含む): 36460800

約数和(自身を除く): 15256106

約数列:

[1, 2, 7, 14, 359, 718, 2513, 4219, 5026, 8438, 29533, 59066, 1514621, 3029242, 10602347, 21204694]

約数ペア:

[(1, 21204694), (2, 10602347), (7, 3029242), (14, 1514621), (359, 59066), (718, 29533), (2513, 8438), (4219, 5026)]