21037704410

素因数分解:

$2^1\times 5^1\times {\mathrm{51539}}^1\times {\mathrm{40819}}^1$

素因数の和:92365

約数の個数: 16

約数和(自身を含む): 37869530400

約数和(自身を除く): 16831825990

約数列:

[1, 2, 5, 10, 40819, 51539, 81638, 103078, 204095, 257695, 408190, 515390, 2103770441, 4207540882, 10518852205, 21037704410]

約数ペア:

[(1, 21037704410), (2, 10518852205), (5, 4207540882), (10, 2103770441), (40819, 515390), (51539, 408190), (81638, 257695), (103078, 204095)]