21097800

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{3907}}^1$

素因数の和:3932

約数の個数: 96

約数和(自身を含む): 72688800

約数和(自身を除く): 51591000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 90, 100, 108, 120, 135, 150, 180, 200, 216, 225, 270, 300, 360, 450, 540, 600, 675, 900, 1080, 1350, 1800, 2700, 3907, 5400, 7814, 11721, 15628, 19535, 23442, 31256, 35163, 39070, 46884, 58605, 70326, 78140, 93768, 97675, 105489, 117210, 140652, 156280, 175815, 195350, 210978, 234420, 281304, 293025, 351630, 390700, 421956, 468840, 527445, 586050, 703260, 781400, 843912, 879075, 1054890, 1172100, 1406520, 1758150, 2109780, 2344200, 2637225, 3516300, 4219560, 5274450, 7032600, 10548900, 21097800]

約数ペア:

[(1, 21097800), (2, 10548900), (3, 7032600), (4, 5274450), (5, 4219560), (6, 3516300), (8, 2637225), (9, 2344200), (10, 2109780), (12, 1758150), (15, 1406520), (18, 1172100), (20, 1054890), (24, 879075), (25, 843912), (27, 781400), (30, 703260), (36, 586050), (40, 527445), (45, 468840), (50, 421956), (54, 390700), (60, 351630), (72, 293025), (75, 281304), (90, 234420), (100, 210978), (108, 195350), (120, 175815), (135, 156280), (150, 140652), (180, 117210), (200, 105489), (216, 97675), (225, 93768), (270, 78140), (300, 70326), (360, 58605), (450, 46884), (540, 39070), (600, 35163), (675, 31256), (900, 23442), (1080, 19535), (1350, 15628), (1800, 11721), (2700, 7814), (3907, 5400)]