21682048640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{1171}}^1\times {\mathrm{4133}}^1$

素因数の和:5330

約数の個数: 128

約数和(自身を含む): 59303387520

約数和(自身を除く): 37621338880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 1171, 2240, 2342, 4133, 4480, 4684, 5855, 8197, 8266, 9368, 11710, 16394, 16532, 18736, 20665, 23420, 28931, 32788, 33064, 37472, 40985, 41330, 46840, 57862, 65576, 66128, 74944, 81970, 82660, 93680, 115724, 131152, 132256, 144655, 149888, 163940, 165320, 187360, 231448, 262304, 264512, 289310, 327880, 330640, 374720, 462896, 524608, 529024, 578620, 655760, 661280, 749440, 925792, 1049216, 1157240, 1311520, 1322560, 1851584, 2314480, 2623040, 2645120, 3703168, 4628960, 4839743, 5246080, 9257920, 9679486, 18515840, 19358972, 24198715, 33878201, 38717944, 48397430, 67756402, 77435888, 96794860, 135512804, 154871776, 169391005, 193589720, 271025608, 309743552, 338782010, 387179440, 542051216, 619487104, 677564020, 774358880, 1084102432, 1355128040, 1548717760, 2168204864, 2710256080, 3097435520, 4336409728, 5420512160, 10841024320, 21682048640]

約数ペア:

[(1, 21682048640), (2, 10841024320), (4, 5420512160), (5, 4336409728), (7, 3097435520), (8, 2710256080), (10, 2168204864), (14, 1548717760), (16, 1355128040), (20, 1084102432), (28, 774358880), (32, 677564020), (35, 619487104), (40, 542051216), (56, 387179440), (64, 338782010), (70, 309743552), (80, 271025608), (112, 193589720), (128, 169391005), (140, 154871776), (160, 135512804), (224, 96794860), (280, 77435888), (320, 67756402), (448, 48397430), (560, 38717944), (640, 33878201), (896, 24198715), (1120, 19358972), (1171, 18515840), (2240, 9679486), (2342, 9257920), (4133, 5246080), (4480, 4839743), (4684, 4628960), (5855, 3703168), (8197, 2645120), (8266, 2623040), (9368, 2314480), (11710, 1851584), (16394, 1322560), (16532, 1311520), (18736, 1157240), (20665, 1049216), (23420, 925792), (28931, 749440), (32788, 661280), (33064, 655760), (37472, 578620), (40985, 529024), (41330, 524608), (46840, 462896), (57862, 374720), (65576, 330640), (66128, 327880), (74944, 289310), (81970, 264512), (82660, 262304), (93680, 231448), (115724, 187360), (131152, 165320), (132256, 163940), (144655, 149888)]