21161745648

素因数分解:

$2^4\times 3^2\times {\mathrm{439}}^1\times {\mathrm{334753}}^1$

素因数の和:335206

約数の個数: 60

約数和(自身を含む): 59358579280

約数和(自身を除く): 38196833632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 439, 878, 1317, 1756, 2634, 3512, 3951, 5268, 7024, 7902, 10536, 15804, 21072, 31608, 63216, 334753, 669506, 1004259, 1339012, 2008518, 2678024, 3012777, 4017036, 5356048, 6025554, 8034072, 12051108, 16068144, 24102216, 48204432, 146956567, 293913134, 440869701, 587826268, 881739402, 1175652536, 1322609103, 1763478804, 2351305072, 2645218206, 3526957608, 5290436412, 7053915216, 10580872824, 21161745648]

約数ペア:

[(1, 21161745648), (2, 10580872824), (3, 7053915216), (4, 5290436412), (6, 3526957608), (8, 2645218206), (9, 2351305072), (12, 1763478804), (16, 1322609103), (18, 1175652536), (24, 881739402), (36, 587826268), (48, 440869701), (72, 293913134), (144, 146956567), (439, 48204432), (878, 24102216), (1317, 16068144), (1756, 12051108), (2634, 8034072), (3512, 6025554), (3951, 5356048), (5268, 4017036), (7024, 3012777), (7902, 2678024), (10536, 2008518), (15804, 1339012), (21072, 1004259), (31608, 669506), (63216, 334753)]