21383336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5557}}^1$

素因数の和:5613

約数の個数: 32

約数和(自身を含む): 44352840

約数和(自身を除く): 22969504

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5557, 11114, 22228, 44456, 72241, 144482, 205609, 288964, 411218, 577928, 822436, 1644872, 2672917, 5345834, 10691668, 21383336]

約数ペア:

[(1, 21383336), (2, 10691668), (4, 5345834), (8, 2672917), (13, 1644872), (26, 822436), (37, 577928), (52, 411218), (74, 288964), (104, 205609), (148, 144482), (296, 72241), (481, 44456), (962, 22228), (1924, 11114), (3848, 5557)]