21000391680

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6131}}^1$

素因数の和:6382

約数の個数: 176

約数和(自身を含む): 67480648704

約数和(自身を除く): 46480257024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 223, 240, 256, 320, 384, 446, 480, 512, 640, 669, 768, 892, 960, 1024, 1115, 1280, 1338, 1536, 1784, 1920, 2230, 2560, 2676, 3072, 3345, 3568, 3840, 4460, 5120, 5352, 6131, 6690, 7136, 7680, 8920, 10704, 12262, 13380, 14272, 15360, 17840, 18393, 21408, 24524, 26760, 28544, 30655, 35680, 36786, 42816, 49048, 53520, 57088, 61310, 71360, 73572, 85632, 91965, 98096, 107040, 114176, 122620, 142720, 147144, 171264, 183930, 196192, 214080, 228352, 245240, 285440, 294288, 342528, 367860, 392384, 428160, 490480, 570880, 588576, 685056, 735720, 784768, 856320, 980960, 1141760, 1177152, 1367213, 1471440, 1569536, 1712640, 1961920, 2354304, 2734426, 2942880, 3139072, 3425280, 3923840, 4101639, 4708608, 5468852, 5885760, 6278144, 6836065, 7847680, 8203278, 9417216, 10937704, 11771520, 13672130, 15695360, 16406556, 18834432, 20508195, 21875408, 23543040, 27344260, 31390720, 32813112, 41016390, 43750816, 47086080, 54688520, 65626224, 82032780, 87501632, 94172160, 109377040, 131252448, 164065560, 175003264, 218754080, 262504896, 328131120, 350006528, 437508160, 525009792, 656262240, 700013056, 875016320, 1050019584, 1312524480, 1400026112, 1750032640, 2100039168, 2625048960, 3500065280, 4200078336, 5250097920, 7000130560, 10500195840, 21000391680]

約数ペア:

[(1, 21000391680), (2, 10500195840), (3, 7000130560), (4, 5250097920), (5, 4200078336), (6, 3500065280), (8, 2625048960), (10, 2100039168), (12, 1750032640), (15, 1400026112), (16, 1312524480), (20, 1050019584), (24, 875016320), (30, 700013056), (32, 656262240), (40, 525009792), (48, 437508160), (60, 350006528), (64, 328131120), (80, 262504896), (96, 218754080), (120, 175003264), (128, 164065560), (160, 131252448), (192, 109377040), (223, 94172160), (240, 87501632), (256, 82032780), (320, 65626224), (384, 54688520), (446, 47086080), (480, 43750816), (512, 41016390), (640, 32813112), (669, 31390720), (768, 27344260), (892, 23543040), (960, 21875408), (1024, 20508195), (1115, 18834432), (1280, 16406556), (1338, 15695360), (1536, 13672130), (1784, 11771520), (1920, 10937704), (2230, 9417216), (2560, 8203278), (2676, 7847680), (3072, 6836065), (3345, 6278144), (3568, 5885760), (3840, 5468852), (4460, 4708608), (5120, 4101639), (5352, 3923840), (6131, 3425280), (6690, 3139072), (7136, 2942880), (7680, 2734426), (8920, 2354304), (10704, 1961920), (12262, 1712640), (13380, 1569536), (14272, 1471440), (15360, 1367213), (17840, 1177152), (18393, 1141760), (21408, 980960), (24524, 856320), (26760, 784768), (28544, 735720), (30655, 685056), (35680, 588576), (36786, 570880), (42816, 490480), (49048, 428160), (53520, 392384), (57088, 367860), (61310, 342528), (71360, 294288), (73572, 285440), (85632, 245240), (91965, 228352), (98096, 214080), (107040, 196192), (114176, 183930), (122620, 171264), (142720, 147144)]