21000313348

素因数分解:

$2^2\times 7^1\times {\mathrm{64109}}^1\times {\mathrm{11699}}^1$

素因数の和:75819

約数の個数: 24

約数和(自身を含む): 42004872000

約数和(自身を除く): 21004558652

約数列:

[1, 2, 4, 7, 14, 28, 11699, 23398, 46796, 64109, 81893, 128218, 163786, 256436, 327572, 448763, 897526, 1795052, 750011191, 1500022382, 3000044764, 5250078337, 10500156674, 21000313348]

約数ペア:

[(1, 21000313348), (2, 10500156674), (4, 5250078337), (7, 3000044764), (14, 1500022382), (28, 750011191), (11699, 1795052), (23398, 897526), (46796, 448763), (64109, 327572), (81893, 256436), (128218, 163786)]