21863100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 74995200

約数和(自身を除く): 53132100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 29, 30, 35, 42, 50, 58, 60, 70, 75, 84, 87, 100, 105, 116, 140, 145, 150, 174, 175, 203, 210, 290, 300, 348, 350, 359, 406, 420, 435, 525, 580, 609, 700, 718, 725, 812, 870, 1015, 1050, 1077, 1218, 1436, 1450, 1740, 1795, 2030, 2100, 2154, 2175, 2436, 2513, 2900, 3045, 3590, 4060, 4308, 4350, 5026, 5075, 5385, 6090, 7180, 7539, 8700, 8975, 10052, 10150, 10411, 10770, 12180, 12565, 15078, 15225, 17950, 20300, 20822, 21540, 25130, 26925, 30156, 30450, 31233, 35900, 37695, 41644, 50260, 52055, 53850, 60900, 62466, 62825, 72877, 75390, 104110, 107700, 124932, 125650, 145754, 150780, 156165, 188475, 208220, 218631, 251300, 260275, 291508, 312330, 364385, 376950, 437262, 520550, 624660, 728770, 753900, 780825, 874524, 1041100, 1093155, 1457540, 1561650, 1821925, 2186310, 3123300, 3643850, 4372620, 5465775, 7287700, 10931550, 21863100]

約数ペア:

[(1, 21863100), (2, 10931550), (3, 7287700), (4, 5465775), (5, 4372620), (6, 3643850), (7, 3123300), (10, 2186310), (12, 1821925), (14, 1561650), (15, 1457540), (20, 1093155), (21, 1041100), (25, 874524), (28, 780825), (29, 753900), (30, 728770), (35, 624660), (42, 520550), (50, 437262), (58, 376950), (60, 364385), (70, 312330), (75, 291508), (84, 260275), (87, 251300), (100, 218631), (105, 208220), (116, 188475), (140, 156165), (145, 150780), (150, 145754), (174, 125650), (175, 124932), (203, 107700), (210, 104110), (290, 75390), (300, 72877), (348, 62825), (350, 62466), (359, 60900), (406, 53850), (420, 52055), (435, 50260), (525, 41644), (580, 37695), (609, 35900), (700, 31233), (718, 30450), (725, 30156), (812, 26925), (870, 25130), (1015, 21540), (1050, 20822), (1077, 20300), (1218, 17950), (1436, 15225), (1450, 15078), (1740, 12565), (1795, 12180), (2030, 10770), (2100, 10411), (2154, 10150), (2175, 10052), (2436, 8975), (2513, 8700), (2900, 7539), (3045, 7180), (3590, 6090), (4060, 5385), (4308, 5075), (4350, 5026)]