21892160

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:140

約数の個数: 84

約数和(自身を含む): 54813708

約数和(自身を除く): 32921548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 43, 64, 74, 80, 86, 148, 160, 172, 185, 215, 296, 320, 344, 370, 430, 592, 688, 740, 860, 1184, 1376, 1480, 1591, 1720, 1849, 2368, 2752, 2960, 3182, 3440, 3698, 5920, 6364, 6880, 7396, 7955, 9245, 11840, 12728, 13760, 14792, 15910, 18490, 25456, 29584, 31820, 36980, 50912, 59168, 63640, 68413, 73960, 101824, 118336, 127280, 136826, 147920, 254560, 273652, 295840, 342065, 509120, 547304, 591680, 684130, 1094608, 1368260, 2189216, 2736520, 4378432, 5473040, 10946080, 21892160]

約数ペア:

[(1, 21892160), (2, 10946080), (4, 5473040), (5, 4378432), (8, 2736520), (10, 2189216), (16, 1368260), (20, 1094608), (32, 684130), (37, 591680), (40, 547304), (43, 509120), (64, 342065), (74, 295840), (80, 273652), (86, 254560), (148, 147920), (160, 136826), (172, 127280), (185, 118336), (215, 101824), (296, 73960), (320, 68413), (344, 63640), (370, 59168), (430, 50912), (592, 36980), (688, 31820), (740, 29584), (860, 25456), (1184, 18490), (1376, 15910), (1480, 14792), (1591, 13760), (1720, 12728), (1849, 11840), (2368, 9245), (2752, 7955), (2960, 7396), (3182, 6880), (3440, 6364), (3698, 5920)]