21410016

素因数分解:

$2^5\times 3^1\times {\mathrm{83}}^1\times {\mathrm{2687}}^1$

素因数の和:2783

約数の個数: 48

約数和(自身を含む): 56899584

約数和(自身を除く): 35489568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 83, 96, 166, 249, 332, 498, 664, 996, 1328, 1992, 2656, 2687, 3984, 5374, 7968, 8061, 10748, 16122, 21496, 32244, 42992, 64488, 85984, 128976, 223021, 257952, 446042, 669063, 892084, 1338126, 1784168, 2676252, 3568336, 5352504, 7136672, 10705008, 21410016]

約数ペア:

[(1, 21410016), (2, 10705008), (3, 7136672), (4, 5352504), (6, 3568336), (8, 2676252), (12, 1784168), (16, 1338126), (24, 892084), (32, 669063), (48, 446042), (83, 257952), (96, 223021), (166, 128976), (249, 85984), (332, 64488), (498, 42992), (664, 32244), (996, 21496), (1328, 16122), (1992, 10748), (2656, 8061), (2687, 7968), (3984, 5374)]