21374696

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20089}}^1$

素因数の和:20121

約数の個数: 32

約数和(自身を含む): 48216000

約数和(自身を除く): 26841304

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 20089, 40178, 80356, 140623, 160712, 281246, 381691, 562492, 763382, 1124984, 1526764, 2671837, 3053528, 5343674, 10687348, 21374696]

約数ペア:

[(1, 21374696), (2, 10687348), (4, 5343674), (7, 3053528), (8, 2671837), (14, 1526764), (19, 1124984), (28, 763382), (38, 562492), (56, 381691), (76, 281246), (133, 160712), (152, 140623), (266, 80356), (532, 40178), (1064, 20089)]