21529200

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1$

素因数の和:272

約数の個数: 240

約数和(自身を含む): 86351616

約数和(自身を除く): 64822416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 25, 28, 30, 33, 35, 40, 42, 44, 48, 50, 55, 56, 60, 66, 70, 75, 77, 80, 84, 88, 100, 105, 110, 112, 120, 132, 140, 150, 154, 165, 168, 175, 176, 200, 210, 220, 231, 233, 240, 264, 275, 280, 300, 308, 330, 336, 350, 385, 400, 420, 440, 462, 466, 525, 528, 550, 560, 600, 616, 660, 699, 700, 770, 825, 840, 880, 924, 932, 1050, 1100, 1155, 1165, 1200, 1232, 1320, 1398, 1400, 1540, 1631, 1650, 1680, 1848, 1864, 1925, 2100, 2200, 2310, 2330, 2563, 2640, 2796, 2800, 3080, 3262, 3300, 3495, 3696, 3728, 3850, 4200, 4400, 4620, 4660, 4893, 5126, 5592, 5775, 5825, 6160, 6524, 6600, 6990, 7689, 7700, 8155, 8400, 9240, 9320, 9786, 10252, 11184, 11550, 11650, 12815, 13048, 13200, 13980, 15378, 15400, 16310, 17475, 17941, 18480, 18640, 19572, 20504, 23100, 23300, 24465, 25630, 26096, 27960, 30756, 30800, 32620, 34950, 35882, 38445, 39144, 40775, 41008, 46200, 46600, 48930, 51260, 53823, 55920, 61512, 64075, 65240, 69900, 71764, 76890, 78288, 81550, 89705, 92400, 93200, 97860, 102520, 107646, 122325, 123024, 128150, 130480, 139800, 143528, 153780, 163100, 179410, 192225, 195720, 205040, 215292, 244650, 256300, 269115, 279600, 287056, 307560, 326200, 358820, 384450, 391440, 430584, 448525, 489300, 512600, 538230, 615120, 652400, 717640, 768900, 861168, 897050, 978600, 1025200, 1076460, 1345575, 1435280, 1537800, 1794100, 1957200, 2152920, 2691150, 3075600, 3588200, 4305840, 5382300, 7176400, 10764600, 21529200]

約数ペア:

[(1, 21529200), (2, 10764600), (3, 7176400), (4, 5382300), (5, 4305840), (6, 3588200), (7, 3075600), (8, 2691150), (10, 2152920), (11, 1957200), (12, 1794100), (14, 1537800), (15, 1435280), (16, 1345575), (20, 1076460), (21, 1025200), (22, 978600), (24, 897050), (25, 861168), (28, 768900), (30, 717640), (33, 652400), (35, 615120), (40, 538230), (42, 512600), (44, 489300), (48, 448525), (50, 430584), (55, 391440), (56, 384450), (60, 358820), (66, 326200), (70, 307560), (75, 287056), (77, 279600), (80, 269115), (84, 256300), (88, 244650), (100, 215292), (105, 205040), (110, 195720), (112, 192225), (120, 179410), (132, 163100), (140, 153780), (150, 143528), (154, 139800), (165, 130480), (168, 128150), (175, 123024), (176, 122325), (200, 107646), (210, 102520), (220, 97860), (231, 93200), (233, 92400), (240, 89705), (264, 81550), (275, 78288), (280, 76890), (300, 71764), (308, 69900), (330, 65240), (336, 64075), (350, 61512), (385, 55920), (400, 53823), (420, 51260), (440, 48930), (462, 46600), (466, 46200), (525, 41008), (528, 40775), (550, 39144), (560, 38445), (600, 35882), (616, 34950), (660, 32620), (699, 30800), (700, 30756), (770, 27960), (825, 26096), (840, 25630), (880, 24465), (924, 23300), (932, 23100), (1050, 20504), (1100, 19572), (1155, 18640), (1165, 18480), (1200, 17941), (1232, 17475), (1320, 16310), (1398, 15400), (1400, 15378), (1540, 13980), (1631, 13200), (1650, 13048), (1680, 12815), (1848, 11650), (1864, 11550), (1925, 11184), (2100, 10252), (2200, 9786), (2310, 9320), (2330, 9240), (2563, 8400), (2640, 8155), (2796, 7700), (2800, 7689), (3080, 6990), (3262, 6600), (3300, 6524), (3495, 6160), (3696, 5825), (3728, 5775), (3850, 5592), (4200, 5126), (4400, 4893), (4620, 4660)]