21653100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^2\times {\mathrm{491}}^1$

素因数の和:525

約数の個数: 162

約数和(自身を含む): 79112124

約数和(自身を除く): 57459024

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 49, 50, 60, 63, 70, 75, 84, 90, 98, 100, 105, 126, 140, 147, 150, 175, 180, 196, 210, 225, 245, 252, 294, 300, 315, 350, 420, 441, 450, 490, 491, 525, 588, 630, 700, 735, 882, 900, 980, 982, 1050, 1225, 1260, 1470, 1473, 1575, 1764, 1964, 2100, 2205, 2450, 2455, 2940, 2946, 3150, 3437, 3675, 4410, 4419, 4900, 4910, 5892, 6300, 6874, 7350, 7365, 8820, 8838, 9820, 10311, 11025, 12275, 13748, 14700, 14730, 17185, 17676, 20622, 22050, 22095, 24059, 24550, 29460, 30933, 34370, 36825, 41244, 44100, 44190, 48118, 49100, 51555, 61866, 68740, 72177, 73650, 85925, 88380, 96236, 103110, 110475, 120295, 123732, 144354, 147300, 154665, 171850, 206220, 216531, 220950, 240590, 257775, 288708, 309330, 343700, 360885, 433062, 441900, 481180, 515550, 601475, 618660, 721770, 773325, 866124, 1031100, 1082655, 1202950, 1443540, 1546650, 1804425, 2165310, 2405900, 3093300, 3608850, 4330620, 5413275, 7217700, 10826550, 21653100]

約数ペア:

[(1, 21653100), (2, 10826550), (3, 7217700), (4, 5413275), (5, 4330620), (6, 3608850), (7, 3093300), (9, 2405900), (10, 2165310), (12, 1804425), (14, 1546650), (15, 1443540), (18, 1202950), (20, 1082655), (21, 1031100), (25, 866124), (28, 773325), (30, 721770), (35, 618660), (36, 601475), (42, 515550), (45, 481180), (49, 441900), (50, 433062), (60, 360885), (63, 343700), (70, 309330), (75, 288708), (84, 257775), (90, 240590), (98, 220950), (100, 216531), (105, 206220), (126, 171850), (140, 154665), (147, 147300), (150, 144354), (175, 123732), (180, 120295), (196, 110475), (210, 103110), (225, 96236), (245, 88380), (252, 85925), (294, 73650), (300, 72177), (315, 68740), (350, 61866), (420, 51555), (441, 49100), (450, 48118), (490, 44190), (491, 44100), (525, 41244), (588, 36825), (630, 34370), (700, 30933), (735, 29460), (882, 24550), (900, 24059), (980, 22095), (982, 22050), (1050, 20622), (1225, 17676), (1260, 17185), (1470, 14730), (1473, 14700), (1575, 13748), (1764, 12275), (1964, 11025), (2100, 10311), (2205, 9820), (2450, 8838), (2455, 8820), (2940, 7365), (2946, 7350), (3150, 6874), (3437, 6300), (3675, 5892), (4410, 4910), (4419, 4900)]