21492800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:149

約数の個数: 168

約数和(自身を含む): 64251840

約数和(自身を除く): 42759040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 64, 70, 76, 80, 95, 100, 101, 112, 133, 140, 152, 160, 175, 190, 200, 202, 224, 266, 280, 304, 320, 350, 380, 400, 404, 448, 475, 505, 532, 560, 608, 665, 700, 707, 760, 800, 808, 950, 1010, 1064, 1120, 1216, 1330, 1400, 1414, 1520, 1600, 1616, 1900, 1919, 2020, 2128, 2240, 2525, 2660, 2800, 2828, 3040, 3232, 3325, 3535, 3800, 3838, 4040, 4256, 5050, 5320, 5600, 5656, 6080, 6464, 6650, 7070, 7600, 7676, 8080, 8512, 9595, 10100, 10640, 11200, 11312, 13300, 13433, 14140, 15200, 15352, 16160, 17675, 19190, 20200, 21280, 22624, 26600, 26866, 28280, 30400, 30704, 32320, 35350, 38380, 40400, 42560, 45248, 47975, 53200, 53732, 56560, 61408, 67165, 70700, 76760, 80800, 95950, 106400, 107464, 113120, 122816, 134330, 141400, 153520, 161600, 191900, 212800, 214928, 226240, 268660, 282800, 307040, 335825, 383800, 429856, 537320, 565600, 614080, 671650, 767600, 859712, 1074640, 1131200, 1343300, 1535200, 2149280, 2686600, 3070400, 4298560, 5373200, 10746400, 21492800]

約数ペア:

[(1, 21492800), (2, 10746400), (4, 5373200), (5, 4298560), (7, 3070400), (8, 2686600), (10, 2149280), (14, 1535200), (16, 1343300), (19, 1131200), (20, 1074640), (25, 859712), (28, 767600), (32, 671650), (35, 614080), (38, 565600), (40, 537320), (50, 429856), (56, 383800), (64, 335825), (70, 307040), (76, 282800), (80, 268660), (95, 226240), (100, 214928), (101, 212800), (112, 191900), (133, 161600), (140, 153520), (152, 141400), (160, 134330), (175, 122816), (190, 113120), (200, 107464), (202, 106400), (224, 95950), (266, 80800), (280, 76760), (304, 70700), (320, 67165), (350, 61408), (380, 56560), (400, 53732), (404, 53200), (448, 47975), (475, 45248), (505, 42560), (532, 40400), (560, 38380), (608, 35350), (665, 32320), (700, 30704), (707, 30400), (760, 28280), (800, 26866), (808, 26600), (950, 22624), (1010, 21280), (1064, 20200), (1120, 19190), (1216, 17675), (1330, 16160), (1400, 15352), (1414, 15200), (1520, 14140), (1600, 13433), (1616, 13300), (1900, 11312), (1919, 11200), (2020, 10640), (2128, 10100), (2240, 9595), (2525, 8512), (2660, 8080), (2800, 7676), (2828, 7600), (3040, 7070), (3232, 6650), (3325, 6464), (3535, 6080), (3800, 5656), (3838, 5600), (4040, 5320), (4256, 5050)]