21336647280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{19373}}^1$

素因数の和:19755

約数の個数: 160

約数和(自身を含む): 71437052736

約数和(自身を除く): 50100405456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 353, 390, 520, 624, 706, 780, 1040, 1059, 1412, 1560, 1765, 2118, 2824, 3120, 3530, 4236, 4589, 5295, 5648, 7060, 8472, 9178, 10590, 13767, 14120, 16944, 18356, 19373, 21180, 22945, 27534, 28240, 36712, 38746, 42360, 45890, 55068, 58119, 68835, 73424, 77492, 84720, 91780, 96865, 110136, 116238, 137670, 154984, 183560, 193730, 220272, 232476, 251849, 275340, 290595, 309968, 367120, 387460, 464952, 503698, 550680, 581190, 755547, 774920, 929904, 1007396, 1101360, 1162380, 1259245, 1511094, 1549840, 2014792, 2324760, 2518490, 3022188, 3777735, 4029584, 4649520, 5036980, 6044376, 6838669, 7555470, 10073960, 12088752, 13677338, 15110940, 20147920, 20516007, 27354676, 30221880, 34193345, 41032014, 54709352, 60443760, 68386690, 82064028, 88902697, 102580035, 109418704, 136773380, 164128056, 177805394, 205160070, 266708091, 273546760, 328256112, 355610788, 410320140, 444513485, 533416182, 547093520, 711221576, 820640280, 889026970, 1066832364, 1333540455, 1422443152, 1641280560, 1778053940, 2133664728, 2667080910, 3556107880, 4267329456, 5334161820, 7112215760, 10668323640, 21336647280]

約数ペア:

[(1, 21336647280), (2, 10668323640), (3, 7112215760), (4, 5334161820), (5, 4267329456), (6, 3556107880), (8, 2667080910), (10, 2133664728), (12, 1778053940), (13, 1641280560), (15, 1422443152), (16, 1333540455), (20, 1066832364), (24, 889026970), (26, 820640280), (30, 711221576), (39, 547093520), (40, 533416182), (48, 444513485), (52, 410320140), (60, 355610788), (65, 328256112), (78, 273546760), (80, 266708091), (104, 205160070), (120, 177805394), (130, 164128056), (156, 136773380), (195, 109418704), (208, 102580035), (240, 88902697), (260, 82064028), (312, 68386690), (353, 60443760), (390, 54709352), (520, 41032014), (624, 34193345), (706, 30221880), (780, 27354676), (1040, 20516007), (1059, 20147920), (1412, 15110940), (1560, 13677338), (1765, 12088752), (2118, 10073960), (2824, 7555470), (3120, 6838669), (3530, 6044376), (4236, 5036980), (4589, 4649520), (5295, 4029584), (5648, 3777735), (7060, 3022188), (8472, 2518490), (9178, 2324760), (10590, 2014792), (13767, 1549840), (14120, 1511094), (16944, 1259245), (18356, 1162380), (19373, 1101360), (21180, 1007396), (22945, 929904), (27534, 774920), (28240, 755547), (36712, 581190), (38746, 550680), (42360, 503698), (45890, 464952), (55068, 387460), (58119, 367120), (68835, 309968), (73424, 290595), (77492, 275340), (84720, 251849), (91780, 232476), (96865, 220272), (110136, 193730), (116238, 183560), (137670, 154984)]