21494494

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{90313}}^1$

素因数の和:90339

約数の個数: 16

約数和(自身を含む): 39015648

約数和(自身を除く): 17521154

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 90313, 180626, 632191, 1264382, 1535321, 3070642, 10747247, 21494494]

約数ペア:

[(1, 21494494), (2, 10747247), (7, 3070642), (14, 1535321), (17, 1264382), (34, 632191), (119, 180626), (238, 90313)]