21152810880

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1224121}}^1$

素因数の和:1224149

約数の個数: 128

約数和(自身を含む): 74916266400

約数和(自身を除く): 53763455520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 1224121, 2448242, 3672363, 4896484, 6120605, 7344726, 9792968, 11017089, 12241210, 14689452, 18361815, 19585936, 22034178, 24482420, 29378904, 33051267, 36723630, 39171872, 44068356, 48964840, 55085445, 58757808, 66102534, 73447260, 78343744, 88136712, 97929680, 110170890, 117515616, 132205068, 146894520, 156687488, 165256335, 176273424, 195859360, 220341780, 235031232, 264410136, 293789040, 330512670, 352546848, 391718720, 440683560, 470062464, 528820272, 587578080, 661025340, 705093696, 783437440, 881367120, 1057640544, 1175156160, 1322050680, 1410187392, 1762734240, 2115281088, 2350312320, 2644101360, 3525468480, 4230562176, 5288202720, 7050936960, 10576405440, 21152810880]

約数ペア:

[(1, 21152810880), (2, 10576405440), (3, 7050936960), (4, 5288202720), (5, 4230562176), (6, 3525468480), (8, 2644101360), (9, 2350312320), (10, 2115281088), (12, 1762734240), (15, 1410187392), (16, 1322050680), (18, 1175156160), (20, 1057640544), (24, 881367120), (27, 783437440), (30, 705093696), (32, 661025340), (36, 587578080), (40, 528820272), (45, 470062464), (48, 440683560), (54, 391718720), (60, 352546848), (64, 330512670), (72, 293789040), (80, 264410136), (90, 235031232), (96, 220341780), (108, 195859360), (120, 176273424), (128, 165256335), (135, 156687488), (144, 146894520), (160, 132205068), (180, 117515616), (192, 110170890), (216, 97929680), (240, 88136712), (270, 78343744), (288, 73447260), (320, 66102534), (360, 58757808), (384, 55085445), (432, 48964840), (480, 44068356), (540, 39171872), (576, 36723630), (640, 33051267), (720, 29378904), (864, 24482420), (960, 22034178), (1080, 19585936), (1152, 18361815), (1440, 14689452), (1728, 12241210), (1920, 11017089), (2160, 9792968), (2880, 7344726), (3456, 6120605), (4320, 4896484), (5760, 3672363), (8640, 2448242), (17280, 1224121)]