21687642

素因数分解:

$2^1\times 3^3\times {\mathrm{223}}^1\times {\mathrm{1801}}^1$

素因数の和:2035

約数の個数: 32

約数和(自身を含む): 48437760

約数和(自身を除く): 26750118

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 223, 446, 669, 1338, 1801, 2007, 3602, 4014, 5403, 6021, 10806, 12042, 16209, 32418, 48627, 97254, 401623, 803246, 1204869, 2409738, 3614607, 7229214, 10843821, 21687642]

約数ペア:

[(1, 21687642), (2, 10843821), (3, 7229214), (6, 3614607), (9, 2409738), (18, 1204869), (27, 803246), (54, 401623), (223, 97254), (446, 48627), (669, 32418), (1338, 16209), (1801, 12042), (2007, 10806), (3602, 6021), (4014, 5403)]