21815443904

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{58679}}^1$

素因数の和:58885

約数の個数: 56

約数和(自身を含む): 44743969440

約数和(自身を除く): 22928525536

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 148, 157, 296, 314, 592, 628, 1184, 1256, 2368, 2512, 5024, 5809, 10048, 11618, 23236, 46472, 58679, 92944, 117358, 185888, 234716, 371776, 469432, 938864, 1877728, 2171123, 3755456, 4342246, 8684492, 9212603, 17368984, 18425206, 34737968, 36850412, 69475936, 73700824, 138951872, 147401648, 294803296, 340866311, 589606592, 681732622, 1363465244, 2726930488, 5453860976, 10907721952, 21815443904]

約数ペア:

[(1, 21815443904), (2, 10907721952), (4, 5453860976), (8, 2726930488), (16, 1363465244), (32, 681732622), (37, 589606592), (64, 340866311), (74, 294803296), (148, 147401648), (157, 138951872), (296, 73700824), (314, 69475936), (592, 36850412), (628, 34737968), (1184, 18425206), (1256, 17368984), (2368, 9212603), (2512, 8684492), (5024, 4342246), (5809, 3755456), (10048, 2171123), (11618, 1877728), (23236, 938864), (46472, 469432), (58679, 371776), (92944, 234716), (117358, 185888)]