21088224

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1979}}^1$

素因数の和:2032

約数の個数: 72

約数和(自身を含む): 61621560

約数和(自身を除く): 40533336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 1979, 2664, 3552, 3958, 5328, 5937, 7916, 10656, 11874, 15832, 17811, 23748, 31664, 35622, 47496, 63328, 71244, 73223, 94992, 142488, 146446, 189984, 219669, 284976, 292892, 439338, 569952, 585784, 659007, 878676, 1171568, 1318014, 1757352, 2343136, 2636028, 3514704, 5272056, 7029408, 10544112, 21088224]

約数ペア:

[(1, 21088224), (2, 10544112), (3, 7029408), (4, 5272056), (6, 3514704), (8, 2636028), (9, 2343136), (12, 1757352), (16, 1318014), (18, 1171568), (24, 878676), (32, 659007), (36, 585784), (37, 569952), (48, 439338), (72, 292892), (74, 284976), (96, 219669), (111, 189984), (144, 146446), (148, 142488), (222, 94992), (288, 73223), (296, 71244), (333, 63328), (444, 47496), (592, 35622), (666, 31664), (888, 23748), (1184, 17811), (1332, 15832), (1776, 11874), (1979, 10656), (2664, 7916), (3552, 5937), (3958, 5328)]