21385112

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10321}}^1$

素因数の和:10371

約数の個数: 32

約数和(自身を含む): 47068320

約数和(自身を除く): 25683208

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10321, 20642, 41284, 72247, 82568, 144494, 288988, 381877, 577976, 763754, 1527508, 2673139, 3055016, 5346278, 10692556, 21385112]

約数ペア:

[(1, 21385112), (2, 10692556), (4, 5346278), (7, 3055016), (8, 2673139), (14, 1527508), (28, 763754), (37, 577976), (56, 381877), (74, 288988), (148, 144494), (259, 82568), (296, 72247), (518, 41284), (1036, 20642), (2072, 10321)]