21641616

素因数分解:

$2^4\times 3^2\times {\mathrm{137}}^1\times {\mathrm{1097}}^1$

素因数の和:1248

約数の個数: 60

約数和(自身を含む): 61064172

約数和(自身を除く): 39422556

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 137, 144, 274, 411, 548, 822, 1096, 1097, 1233, 1644, 2192, 2194, 2466, 3288, 3291, 4388, 4932, 6576, 6582, 8776, 9864, 9873, 13164, 17552, 19728, 19746, 26328, 39492, 52656, 78984, 150289, 157968, 300578, 450867, 601156, 901734, 1202312, 1352601, 1803468, 2404624, 2705202, 3606936, 5410404, 7213872, 10820808, 21641616]

約数ペア:

[(1, 21641616), (2, 10820808), (3, 7213872), (4, 5410404), (6, 3606936), (8, 2705202), (9, 2404624), (12, 1803468), (16, 1352601), (18, 1202312), (24, 901734), (36, 601156), (48, 450867), (72, 300578), (137, 157968), (144, 150289), (274, 78984), (411, 52656), (548, 39492), (822, 26328), (1096, 19746), (1097, 19728), (1233, 17552), (1644, 13164), (2192, 9873), (2194, 9864), (2466, 8776), (3288, 6582), (3291, 6576), (4388, 4932)]