21130224

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{3167}}^1$

素因数の和:3317

約数の個数: 40

約数和(自身を含む): 54996480

約数和(自身を除く): 33866256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 3167, 3336, 6334, 6672, 9501, 12668, 19002, 25336, 38004, 50672, 76008, 152016, 440213, 880426, 1320639, 1760852, 2641278, 3521704, 5282556, 7043408, 10565112, 21130224]

約数ペア:

[(1, 21130224), (2, 10565112), (3, 7043408), (4, 5282556), (6, 3521704), (8, 2641278), (12, 1760852), (16, 1320639), (24, 880426), (48, 440213), (139, 152016), (278, 76008), (417, 50672), (556, 38004), (834, 25336), (1112, 19002), (1668, 12668), (2224, 9501), (3167, 6672), (3336, 6334)]