21718074

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 51782400

約数和(自身を除く): 30064326

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 61, 98, 122, 147, 173, 183, 294, 343, 346, 366, 427, 519, 686, 854, 1029, 1038, 1211, 1281, 2058, 2422, 2562, 2989, 3633, 5978, 7266, 8477, 8967, 10553, 16954, 17934, 20923, 21106, 25431, 31659, 41846, 50862, 59339, 62769, 63318, 73871, 118678, 125538, 147742, 178017, 221613, 356034, 443226, 517097, 1034194, 1551291, 3102582, 3619679, 7239358, 10859037, 21718074]

約数ペア:

[(1, 21718074), (2, 10859037), (3, 7239358), (6, 3619679), (7, 3102582), (14, 1551291), (21, 1034194), (42, 517097), (49, 443226), (61, 356034), (98, 221613), (122, 178017), (147, 147742), (173, 125538), (183, 118678), (294, 73871), (343, 63318), (346, 62769), (366, 59339), (427, 50862), (519, 41846), (686, 31659), (854, 25431), (1029, 21106), (1038, 20923), (1211, 17934), (1281, 16954), (2058, 10553), (2422, 8967), (2562, 8477), (2989, 7266), (3633, 5978)]