21913600

素因数分解:

$2^{13}\times 5^2\times {\mathrm{107}}^1$

素因数の和:143

約数の個数: 84

約数和(自身を含む): 54850284

約数和(自身を除く): 32936684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 107, 128, 160, 200, 214, 256, 320, 400, 428, 512, 535, 640, 800, 856, 1024, 1070, 1280, 1600, 1712, 2048, 2140, 2560, 2675, 3200, 3424, 4096, 4280, 5120, 5350, 6400, 6848, 8192, 8560, 10240, 10700, 12800, 13696, 17120, 20480, 21400, 25600, 27392, 34240, 40960, 42800, 51200, 54784, 68480, 85600, 102400, 109568, 136960, 171200, 204800, 219136, 273920, 342400, 438272, 547840, 684800, 876544, 1095680, 1369600, 2191360, 2739200, 4382720, 5478400, 10956800, 21913600]

約数ペア:

[(1, 21913600), (2, 10956800), (4, 5478400), (5, 4382720), (8, 2739200), (10, 2191360), (16, 1369600), (20, 1095680), (25, 876544), (32, 684800), (40, 547840), (50, 438272), (64, 342400), (80, 273920), (100, 219136), (107, 204800), (128, 171200), (160, 136960), (200, 109568), (214, 102400), (256, 85600), (320, 68480), (400, 54784), (428, 51200), (512, 42800), (535, 40960), (640, 34240), (800, 27392), (856, 25600), (1024, 21400), (1070, 20480), (1280, 17120), (1600, 13696), (1712, 12800), (2048, 10700), (2140, 10240), (2560, 8560), (2675, 8192), (3200, 6848), (3424, 6400), (4096, 5350), (4280, 5120)]