2102008321

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{3067}}^1$

素因数の和:3349

約数の個数: 24

約数和(自身を含む): 2493032256

約数和(自身を除く): 391023935

約数列:

[1, 7, 49, 71, 197, 497, 1379, 3067, 3479, 9653, 13987, 21469, 97909, 150283, 217757, 604199, 685363, 1524299, 4229393, 10670093, 29605751, 42898129, 300286903, 2102008321]

約数ペア:

[(1, 2102008321), (7, 300286903), (49, 42898129), (71, 29605751), (197, 10670093), (497, 4229393), (1379, 1524299), (3067, 685363), (3479, 604199), (9653, 217757), (13987, 150283), (21469, 97909)]