21000944816

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{1741}}^1\times {\mathrm{5503}}^1$

素因数の和:7389

約数の個数: 40

約数和(自身を含む): 41017327104

約数和(自身を除く): 20016382288

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 1741, 2192, 3482, 5503, 6964, 11006, 13928, 22012, 27856, 44024, 88048, 238517, 477034, 753911, 954068, 1507822, 1908136, 3015644, 3816272, 6031288, 9580723, 12062576, 19161446, 38322892, 76645784, 153291568, 1312559051, 2625118102, 5250236204, 10500472408, 21000944816]

約数ペア:

[(1, 21000944816), (2, 10500472408), (4, 5250236204), (8, 2625118102), (16, 1312559051), (137, 153291568), (274, 76645784), (548, 38322892), (1096, 19161446), (1741, 12062576), (2192, 9580723), (3482, 6031288), (5503, 3816272), (6964, 3015644), (11006, 1908136), (13928, 1507822), (22012, 954068), (27856, 753911), (44024, 477034), (88048, 238517)]