21049367096

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{1597}}^1\times {\mathrm{12973}}^1$

素因数の和:14703

約数の個数: 32

約数和(自身を含む): 39806307840

約数和(自身を除く): 18756940744

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 1597, 3194, 6388, 12776, 12973, 25946, 51892, 103784, 202819, 405638, 811276, 1622552, 1647571, 3295142, 6590284, 13180568, 20717881, 41435762, 82871524, 165743048, 2631170887, 5262341774, 10524683548, 21049367096]

約数ペア:

[(1, 21049367096), (2, 10524683548), (4, 5262341774), (8, 2631170887), (127, 165743048), (254, 82871524), (508, 41435762), (1016, 20717881), (1597, 13180568), (3194, 6590284), (6388, 3295142), (12776, 1647571), (12973, 1622552), (25946, 811276), (51892, 405638), (103784, 202819)]