21336960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11113}}^1$

素因数の和:11135

約数の個数: 64

約数和(自身を含む): 68017680

約数和(自身を除く): 46680720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 11113, 22226, 33339, 44452, 55565, 66678, 88904, 111130, 133356, 166695, 177808, 222260, 266712, 333390, 355616, 444520, 533424, 666780, 711232, 889040, 1066848, 1333560, 1422464, 1778080, 2133696, 2667120, 3556160, 4267392, 5334240, 7112320, 10668480, 21336960]

約数ペア:

[(1, 21336960), (2, 10668480), (3, 7112320), (4, 5334240), (5, 4267392), (6, 3556160), (8, 2667120), (10, 2133696), (12, 1778080), (15, 1422464), (16, 1333560), (20, 1066848), (24, 889040), (30, 711232), (32, 666780), (40, 533424), (48, 444520), (60, 355616), (64, 333390), (80, 266712), (96, 222260), (120, 177808), (128, 166695), (160, 133356), (192, 111130), (240, 88904), (320, 66678), (384, 55565), (480, 44452), (640, 33339), (960, 22226), (1920, 11113)]