21462400

素因数分解:

$2^7\times 5^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 55967400

約数和(自身を除く): 34505000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 304, 320, 353, 380, 400, 475, 608, 640, 706, 760, 800, 950, 1216, 1412, 1520, 1600, 1765, 1900, 2432, 2824, 3040, 3200, 3530, 3800, 5648, 6080, 6707, 7060, 7600, 8825, 11296, 12160, 13414, 14120, 15200, 17650, 22592, 26828, 28240, 30400, 33535, 35300, 45184, 53656, 56480, 60800, 67070, 70600, 107312, 112960, 134140, 141200, 167675, 214624, 225920, 268280, 282400, 335350, 429248, 536560, 564800, 670700, 858496, 1073120, 1129600, 1341400, 2146240, 2682800, 4292480, 5365600, 10731200, 21462400]

約数ペア:

[(1, 21462400), (2, 10731200), (4, 5365600), (5, 4292480), (8, 2682800), (10, 2146240), (16, 1341400), (19, 1129600), (20, 1073120), (25, 858496), (32, 670700), (38, 564800), (40, 536560), (50, 429248), (64, 335350), (76, 282400), (80, 268280), (95, 225920), (100, 214624), (128, 167675), (152, 141200), (160, 134140), (190, 112960), (200, 107312), (304, 70600), (320, 67070), (353, 60800), (380, 56480), (400, 53656), (475, 45184), (608, 35300), (640, 33535), (706, 30400), (760, 28240), (800, 26828), (950, 22592), (1216, 17650), (1412, 15200), (1520, 14120), (1600, 13414), (1765, 12160), (1900, 11296), (2432, 8825), (2824, 7600), (3040, 7060), (3200, 6707), (3530, 6080), (3800, 5648)]