21529600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{29}}^2$

素因数の和:88

約数の個数: 99

約数和(自身を含む): 55271047

約数和(自身を除く): 33741447

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 116, 128, 145, 160, 200, 232, 256, 290, 320, 400, 464, 512, 580, 640, 725, 800, 841, 928, 1024, 1160, 1280, 1450, 1600, 1682, 1856, 2320, 2560, 2900, 3200, 3364, 3712, 4205, 4640, 5120, 5800, 6400, 6728, 7424, 8410, 9280, 11600, 12800, 13456, 14848, 16820, 18560, 21025, 23200, 25600, 26912, 29696, 33640, 37120, 42050, 46400, 53824, 67280, 74240, 84100, 92800, 107648, 134560, 148480, 168200, 185600, 215296, 269120, 336400, 371200, 430592, 538240, 672800, 742400, 861184, 1076480, 1345600, 2152960, 2691200, 4305920, 5382400, 10764800, 21529600]

約数ペア:

[(1, 21529600), (2, 10764800), (4, 5382400), (5, 4305920), (8, 2691200), (10, 2152960), (16, 1345600), (20, 1076480), (25, 861184), (29, 742400), (32, 672800), (40, 538240), (50, 430592), (58, 371200), (64, 336400), (80, 269120), (100, 215296), (116, 185600), (128, 168200), (145, 148480), (160, 134560), (200, 107648), (232, 92800), (256, 84100), (290, 74240), (320, 67280), (400, 53824), (464, 46400), (512, 42050), (580, 37120), (640, 33640), (725, 29696), (800, 26912), (841, 25600), (928, 23200), (1024, 21025), (1160, 18560), (1280, 16820), (1450, 14848), (1600, 13456), (1682, 12800), (1856, 11600), (2320, 9280), (2560, 8410), (2900, 7424), (3200, 6728), (3364, 6400), (3712, 5800), (4205, 5120)]