21409064320

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{18451}}^1$

素因数の和:18521

約数の個数: 192

約数和(自身を含む): 61149558960

約数和(自身を除く): 39740494640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 64, 70, 74, 80, 98, 112, 128, 140, 148, 160, 185, 196, 224, 245, 259, 280, 296, 320, 370, 392, 448, 490, 518, 560, 592, 640, 740, 784, 896, 980, 1036, 1120, 1184, 1295, 1480, 1568, 1813, 1960, 2072, 2240, 2368, 2590, 2960, 3136, 3626, 3920, 4144, 4480, 4736, 5180, 5920, 6272, 7252, 7840, 8288, 9065, 10360, 11840, 14504, 15680, 16576, 18130, 18451, 20720, 23680, 29008, 31360, 33152, 36260, 36902, 41440, 58016, 72520, 73804, 82880, 92255, 116032, 129157, 145040, 147608, 165760, 184510, 232064, 258314, 290080, 295216, 369020, 516628, 580160, 590432, 645785, 682687, 738040, 904099, 1033256, 1160320, 1180864, 1291570, 1365374, 1476080, 1808198, 2066512, 2361728, 2583140, 2730748, 2952160, 3413435, 3616396, 4133024, 4520495, 4778809, 5166280, 5461496, 5904320, 6826870, 7232792, 8266048, 9040990, 9557618, 10332560, 10922992, 11808640, 13653740, 14465584, 16532096, 18081980, 19115236, 20665120, 21845984, 23894045, 27307480, 28931168, 33451663, 36163960, 38230472, 41330240, 43691968, 47788090, 54614960, 57862336, 66903326, 72327920, 76460944, 82660480, 87383936, 95576180, 109229920, 115724672, 133806652, 144655840, 152921888, 167258315, 191152360, 218459840, 267613304, 289311680, 305843776, 334516630, 382304720, 436919680, 535226608, 578623360, 611687552, 669033260, 764609440, 1070453216, 1338066520, 1529218880, 2140906432, 2676133040, 3058437760, 4281812864, 5352266080, 10704532160, 21409064320]

約数ペア:

[(1, 21409064320), (2, 10704532160), (4, 5352266080), (5, 4281812864), (7, 3058437760), (8, 2676133040), (10, 2140906432), (14, 1529218880), (16, 1338066520), (20, 1070453216), (28, 764609440), (32, 669033260), (35, 611687552), (37, 578623360), (40, 535226608), (49, 436919680), (56, 382304720), (64, 334516630), (70, 305843776), (74, 289311680), (80, 267613304), (98, 218459840), (112, 191152360), (128, 167258315), (140, 152921888), (148, 144655840), (160, 133806652), (185, 115724672), (196, 109229920), (224, 95576180), (245, 87383936), (259, 82660480), (280, 76460944), (296, 72327920), (320, 66903326), (370, 57862336), (392, 54614960), (448, 47788090), (490, 43691968), (518, 41330240), (560, 38230472), (592, 36163960), (640, 33451663), (740, 28931168), (784, 27307480), (896, 23894045), (980, 21845984), (1036, 20665120), (1120, 19115236), (1184, 18081980), (1295, 16532096), (1480, 14465584), (1568, 13653740), (1813, 11808640), (1960, 10922992), (2072, 10332560), (2240, 9557618), (2368, 9040990), (2590, 8266048), (2960, 7232792), (3136, 6826870), (3626, 5904320), (3920, 5461496), (4144, 5166280), (4480, 4778809), (4736, 4520495), (5180, 4133024), (5920, 3616396), (6272, 3413435), (7252, 2952160), (7840, 2730748), (8288, 2583140), (9065, 2361728), (10360, 2066512), (11840, 1808198), (14504, 1476080), (15680, 1365374), (16576, 1291570), (18130, 1180864), (18451, 1160320), (20720, 1033256), (23680, 904099), (29008, 738040), (31360, 682687), (33152, 645785), (36260, 590432), (36902, 580160), (41440, 516628), (58016, 369020), (72520, 295216), (73804, 290080), (82880, 258314), (92255, 232064), (116032, 184510), (129157, 165760), (145040, 147608)]