21741944

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1951}}^1$

素因数の和:2163

約数の個数: 32

約数和(自身を含む): 46848000

約数和(自身を除く): 25106056

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 1951, 2786, 3902, 5572, 7804, 11144, 13657, 15608, 27314, 54628, 109256, 388249, 776498, 1552996, 2717743, 3105992, 5435486, 10870972, 21741944]

約数ペア:

[(1, 21741944), (2, 10870972), (4, 5435486), (7, 3105992), (8, 2717743), (14, 1552996), (28, 776498), (56, 388249), (199, 109256), (398, 54628), (796, 27314), (1393, 15608), (1592, 13657), (1951, 11144), (2786, 7804), (3902, 5572)]