21438900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:151

約数の個数: 216

約数和(自身を含む): 79619904

約数和(自身を除く): 58181004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 41, 42, 45, 50, 60, 63, 70, 75, 82, 83, 84, 90, 100, 105, 123, 126, 140, 150, 164, 166, 175, 180, 205, 210, 225, 246, 249, 252, 287, 300, 315, 332, 350, 369, 410, 415, 420, 450, 492, 498, 525, 574, 581, 615, 630, 700, 738, 747, 820, 830, 861, 900, 996, 1025, 1050, 1148, 1162, 1230, 1245, 1260, 1435, 1476, 1494, 1575, 1660, 1722, 1743, 1845, 2050, 2075, 2100, 2324, 2460, 2490, 2583, 2870, 2905, 2988, 3075, 3150, 3403, 3444, 3486, 3690, 3735, 4100, 4150, 4305, 4980, 5166, 5229, 5740, 5810, 6150, 6225, 6300, 6806, 6972, 7175, 7380, 7470, 8300, 8610, 8715, 9225, 10209, 10332, 10458, 11620, 12300, 12450, 12915, 13612, 14350, 14525, 14940, 17015, 17220, 17430, 18450, 18675, 20418, 20916, 21525, 23821, 24900, 25830, 26145, 28700, 29050, 30627, 34030, 34860, 36900, 37350, 40836, 43050, 43575, 47642, 51045, 51660, 52290, 58100, 61254, 64575, 68060, 71463, 74700, 85075, 86100, 87150, 95284, 102090, 104580, 119105, 122508, 129150, 130725, 142926, 153135, 170150, 174300, 204180, 214389, 238210, 255225, 258300, 261450, 285852, 306270, 340300, 357315, 428778, 476420, 510450, 522900, 595525, 612540, 714630, 765675, 857556, 1020900, 1071945, 1191050, 1429260, 1531350, 1786575, 2143890, 2382100, 3062700, 3573150, 4287780, 5359725, 7146300, 10719450, 21438900]

約数ペア:

[(1, 21438900), (2, 10719450), (3, 7146300), (4, 5359725), (5, 4287780), (6, 3573150), (7, 3062700), (9, 2382100), (10, 2143890), (12, 1786575), (14, 1531350), (15, 1429260), (18, 1191050), (20, 1071945), (21, 1020900), (25, 857556), (28, 765675), (30, 714630), (35, 612540), (36, 595525), (41, 522900), (42, 510450), (45, 476420), (50, 428778), (60, 357315), (63, 340300), (70, 306270), (75, 285852), (82, 261450), (83, 258300), (84, 255225), (90, 238210), (100, 214389), (105, 204180), (123, 174300), (126, 170150), (140, 153135), (150, 142926), (164, 130725), (166, 129150), (175, 122508), (180, 119105), (205, 104580), (210, 102090), (225, 95284), (246, 87150), (249, 86100), (252, 85075), (287, 74700), (300, 71463), (315, 68060), (332, 64575), (350, 61254), (369, 58100), (410, 52290), (415, 51660), (420, 51045), (450, 47642), (492, 43575), (498, 43050), (525, 40836), (574, 37350), (581, 36900), (615, 34860), (630, 34030), (700, 30627), (738, 29050), (747, 28700), (820, 26145), (830, 25830), (861, 24900), (900, 23821), (996, 21525), (1025, 20916), (1050, 20418), (1148, 18675), (1162, 18450), (1230, 17430), (1245, 17220), (1260, 17015), (1435, 14940), (1476, 14525), (1494, 14350), (1575, 13612), (1660, 12915), (1722, 12450), (1743, 12300), (1845, 11620), (2050, 10458), (2075, 10332), (2100, 10209), (2324, 9225), (2460, 8715), (2490, 8610), (2583, 8300), (2870, 7470), (2905, 7380), (2988, 7175), (3075, 6972), (3150, 6806), (3403, 6300), (3444, 6225), (3486, 6150), (3690, 5810), (3735, 5740), (4100, 5229), (4150, 5166), (4305, 4980)]