21708504

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{13109}}^1$

素因数の和:13144

約数の個数: 48

約数和(自身を含む): 61354800

約数和(自身を除く): 39646296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 13109, 26218, 39327, 52436, 78654, 104872, 117981, 157308, 235962, 301507, 314616, 471924, 603014, 904521, 943848, 1206028, 1809042, 2412056, 2713563, 3618084, 5427126, 7236168, 10854252, 21708504]

約数ペア:

[(1, 21708504), (2, 10854252), (3, 7236168), (4, 5427126), (6, 3618084), (8, 2713563), (9, 2412056), (12, 1809042), (18, 1206028), (23, 943848), (24, 904521), (36, 603014), (46, 471924), (69, 314616), (72, 301507), (92, 235962), (138, 157308), (184, 117981), (207, 104872), (276, 78654), (414, 52436), (552, 39327), (828, 26218), (1656, 13109)]