21125931372

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1171}}^1\times {\mathrm{5507}}^1$

素因数の和:6708

約数の個数: 144

約数和(自身を含む): 65793192192

約数和(自身を除く): 44667260820

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1171, 1638, 2342, 3276, 3513, 4684, 5507, 7026, 8197, 10539, 11014, 14052, 15223, 16394, 16521, 21078, 22028, 24591, 30446, 32788, 33042, 38549, 42156, 45669, 49182, 49563, 60892, 66084, 71591, 73773, 77098, 91338, 98364, 99126, 106561, 115647, 137007, 143182, 147546, 154196, 182676, 198252, 213122, 214773, 231294, 274014, 286364, 295092, 319683, 346941, 426244, 429546, 462588, 501137, 548028, 639366, 644319, 693882, 859092, 959049, 1002274, 1278732, 1288638, 1387764, 1503411, 1918098, 2004548, 2577276, 3006822, 3836196, 4510233, 6013644, 6448697, 9020466, 12897394, 18040932, 19346091, 25794788, 38692182, 45140879, 58038273, 77384364, 83833061, 90281758, 116076546, 135422637, 167666122, 180563516, 232153092, 251499183, 270845274, 335332244, 406267911, 502998366, 541690548, 586831427, 754497549, 812535822, 1005996732, 1173662854, 1508995098, 1625071644, 1760494281, 2347325708, 3017990196, 3520988562, 5281482843, 7041977124, 10562965686, 21125931372]

約数ペア:

[(1, 21125931372), (2, 10562965686), (3, 7041977124), (4, 5281482843), (6, 3520988562), (7, 3017990196), (9, 2347325708), (12, 1760494281), (13, 1625071644), (14, 1508995098), (18, 1173662854), (21, 1005996732), (26, 812535822), (28, 754497549), (36, 586831427), (39, 541690548), (42, 502998366), (52, 406267911), (63, 335332244), (78, 270845274), (84, 251499183), (91, 232153092), (117, 180563516), (126, 167666122), (156, 135422637), (182, 116076546), (234, 90281758), (252, 83833061), (273, 77384364), (364, 58038273), (468, 45140879), (546, 38692182), (819, 25794788), (1092, 19346091), (1171, 18040932), (1638, 12897394), (2342, 9020466), (3276, 6448697), (3513, 6013644), (4684, 4510233), (5507, 3836196), (7026, 3006822), (8197, 2577276), (10539, 2004548), (11014, 1918098), (14052, 1503411), (15223, 1387764), (16394, 1288638), (16521, 1278732), (21078, 1002274), (22028, 959049), (24591, 859092), (30446, 693882), (32788, 644319), (33042, 639366), (38549, 548028), (42156, 501137), (45669, 462588), (49182, 429546), (49563, 426244), (60892, 346941), (66084, 319683), (71591, 295092), (73773, 286364), (77098, 274014), (91338, 231294), (98364, 214773), (99126, 213122), (106561, 198252), (115647, 182676), (137007, 154196), (143182, 147546)]