21603200

素因数分解:

$2^7\times 5^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 54955560

約数和(自身を除く): 33352360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 128, 157, 160, 172, 200, 215, 314, 320, 344, 400, 430, 628, 640, 688, 785, 800, 860, 1075, 1256, 1376, 1570, 1600, 1720, 2150, 2512, 2752, 3140, 3200, 3440, 3925, 4300, 5024, 5504, 6280, 6751, 6880, 7850, 8600, 10048, 12560, 13502, 13760, 15700, 17200, 20096, 25120, 27004, 27520, 31400, 33755, 34400, 50240, 54008, 62800, 67510, 68800, 100480, 108016, 125600, 135020, 137600, 168775, 216032, 251200, 270040, 337550, 432064, 502400, 540080, 675100, 864128, 1080160, 1350200, 2160320, 2700400, 4320640, 5400800, 10801600, 21603200]

約数ペア:

[(1, 21603200), (2, 10801600), (4, 5400800), (5, 4320640), (8, 2700400), (10, 2160320), (16, 1350200), (20, 1080160), (25, 864128), (32, 675100), (40, 540080), (43, 502400), (50, 432064), (64, 337550), (80, 270040), (86, 251200), (100, 216032), (128, 168775), (157, 137600), (160, 135020), (172, 125600), (200, 108016), (215, 100480), (314, 68800), (320, 67510), (344, 62800), (400, 54008), (430, 50240), (628, 34400), (640, 33755), (688, 31400), (785, 27520), (800, 27004), (860, 25120), (1075, 20096), (1256, 17200), (1376, 15700), (1570, 13760), (1600, 13502), (1720, 12560), (2150, 10048), (2512, 8600), (2752, 7850), (3140, 6880), (3200, 6751), (3440, 6280), (3925, 5504), (4300, 5024)]