21079492

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20347}}^1$

素因数の和:20395

約数の個数: 24

約数和(自身を含む): 43300544

約数和(自身を除く): 22221052

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20347, 40694, 81388, 142429, 284858, 569716, 752839, 1505678, 3011356, 5269873, 10539746, 21079492]

約数ペア:

[(1, 21079492), (2, 10539746), (4, 5269873), (7, 3011356), (14, 1505678), (28, 752839), (37, 569716), (74, 284858), (148, 142429), (259, 81388), (518, 40694), (1036, 20347)]