21457400436

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^2\times {\mathrm{67}}^1\times {\mathrm{3167}}^1$

素因数の和:3350

約数の個数: 108

約数和(自身を含む): 56125060992

約数和(自身を除く): 34667660556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 67, 106, 134, 159, 201, 212, 268, 318, 402, 477, 603, 636, 804, 954, 1206, 1908, 2412, 2809, 3167, 3551, 5618, 6334, 7102, 8427, 9501, 10653, 11236, 12668, 14204, 16854, 19002, 21306, 25281, 28503, 31959, 33708, 38004, 42612, 50562, 57006, 63918, 101124, 114012, 127836, 167851, 188203, 212189, 335702, 376406, 424378, 503553, 564609, 636567, 671404, 752812, 848756, 1007106, 1129218, 1273134, 1510659, 1693827, 1909701, 2014212, 2258436, 2546268, 3021318, 3387654, 3819402, 6042636, 6775308, 7638804, 8896103, 11246017, 17792206, 22492034, 26688309, 33738051, 35584412, 44984068, 53376618, 67476102, 80064927, 101214153, 106753236, 134952204, 160129854, 202428306, 320259708, 404856612, 596038901, 1192077802, 1788116703, 2384155604, 3576233406, 5364350109, 7152466812, 10728700218, 21457400436]

約数ペア:

[(1, 21457400436), (2, 10728700218), (3, 7152466812), (4, 5364350109), (6, 3576233406), (9, 2384155604), (12, 1788116703), (18, 1192077802), (36, 596038901), (53, 404856612), (67, 320259708), (106, 202428306), (134, 160129854), (159, 134952204), (201, 106753236), (212, 101214153), (268, 80064927), (318, 67476102), (402, 53376618), (477, 44984068), (603, 35584412), (636, 33738051), (804, 26688309), (954, 22492034), (1206, 17792206), (1908, 11246017), (2412, 8896103), (2809, 7638804), (3167, 6775308), (3551, 6042636), (5618, 3819402), (6334, 3387654), (7102, 3021318), (8427, 2546268), (9501, 2258436), (10653, 2014212), (11236, 1909701), (12668, 1693827), (14204, 1510659), (16854, 1273134), (19002, 1129218), (21306, 1007106), (25281, 848756), (28503, 752812), (31959, 671404), (33708, 636567), (38004, 564609), (42612, 503553), (50562, 424378), (57006, 376406), (63918, 335702), (101124, 212189), (114012, 188203), (127836, 167851)]