21942900

素因数分解:

$2^2\times 3^6\times 5^2\times 7^1\times {\mathrm{43}}^1$

素因数の和:82

約数の個数: 252

約数和(自身を含む): 83487712

約数和(自身を除く): 61544812

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 43, 45, 50, 54, 60, 63, 70, 75, 81, 84, 86, 90, 100, 105, 108, 126, 129, 135, 140, 150, 162, 172, 175, 180, 189, 210, 215, 225, 243, 252, 258, 270, 300, 301, 315, 324, 350, 378, 387, 405, 420, 430, 450, 486, 516, 525, 540, 567, 602, 630, 645, 675, 700, 729, 756, 774, 810, 860, 900, 903, 945, 972, 1050, 1075, 1134, 1161, 1204, 1215, 1260, 1290, 1350, 1458, 1505, 1548, 1575, 1620, 1701, 1806, 1890, 1935, 2025, 2100, 2150, 2268, 2322, 2430, 2580, 2700, 2709, 2835, 2916, 3010, 3150, 3225, 3402, 3483, 3612, 3645, 3780, 3870, 4050, 4300, 4515, 4644, 4725, 4860, 5103, 5418, 5670, 5805, 6020, 6075, 6300, 6450, 6804, 6966, 7290, 7525, 7740, 8100, 8127, 8505, 9030, 9450, 9675, 10206, 10449, 10836, 11340, 11610, 12150, 12900, 13545, 13932, 14175, 14580, 15050, 16254, 17010, 17415, 18060, 18225, 18900, 19350, 20412, 20898, 22575, 23220, 24300, 24381, 25515, 27090, 28350, 29025, 30100, 31347, 32508, 34020, 34830, 36450, 38700, 40635, 41796, 42525, 45150, 48762, 51030, 52245, 54180, 56700, 58050, 62694, 67725, 69660, 72900, 73143, 81270, 85050, 87075, 90300, 97524, 102060, 104490, 116100, 121905, 125388, 127575, 135450, 146286, 156735, 162540, 170100, 174150, 203175, 208980, 219429, 243810, 255150, 261225, 270900, 292572, 313470, 348300, 365715, 406350, 438858, 487620, 510300, 522450, 609525, 626940, 731430, 783675, 812700, 877716, 1044900, 1097145, 1219050, 1462860, 1567350, 1828575, 2194290, 2438100, 3134700, 3657150, 4388580, 5485725, 7314300, 10971450, 21942900]

約数ペア:

[(1, 21942900), (2, 10971450), (3, 7314300), (4, 5485725), (5, 4388580), (6, 3657150), (7, 3134700), (9, 2438100), (10, 2194290), (12, 1828575), (14, 1567350), (15, 1462860), (18, 1219050), (20, 1097145), (21, 1044900), (25, 877716), (27, 812700), (28, 783675), (30, 731430), (35, 626940), (36, 609525), (42, 522450), (43, 510300), (45, 487620), (50, 438858), (54, 406350), (60, 365715), (63, 348300), (70, 313470), (75, 292572), (81, 270900), (84, 261225), (86, 255150), (90, 243810), (100, 219429), (105, 208980), (108, 203175), (126, 174150), (129, 170100), (135, 162540), (140, 156735), (150, 146286), (162, 135450), (172, 127575), (175, 125388), (180, 121905), (189, 116100), (210, 104490), (215, 102060), (225, 97524), (243, 90300), (252, 87075), (258, 85050), (270, 81270), (300, 73143), (301, 72900), (315, 69660), (324, 67725), (350, 62694), (378, 58050), (387, 56700), (405, 54180), (420, 52245), (430, 51030), (450, 48762), (486, 45150), (516, 42525), (525, 41796), (540, 40635), (567, 38700), (602, 36450), (630, 34830), (645, 34020), (675, 32508), (700, 31347), (729, 30100), (756, 29025), (774, 28350), (810, 27090), (860, 25515), (900, 24381), (903, 24300), (945, 23220), (972, 22575), (1050, 20898), (1075, 20412), (1134, 19350), (1161, 18900), (1204, 18225), (1215, 18060), (1260, 17415), (1290, 17010), (1350, 16254), (1458, 15050), (1505, 14580), (1548, 14175), (1575, 13932), (1620, 13545), (1701, 12900), (1806, 12150), (1890, 11610), (1935, 11340), (2025, 10836), (2100, 10449), (2150, 10206), (2268, 9675), (2322, 9450), (2430, 9030), (2580, 8505), (2700, 8127), (2709, 8100), (2835, 7740), (2916, 7525), (3010, 7290), (3150, 6966), (3225, 6804), (3402, 6450), (3483, 6300), (3612, 6075), (3645, 6020), (3780, 5805), (3870, 5670), (4050, 5418), (4300, 5103), (4515, 4860), (4644, 4725)]