21041460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10627}}^1$

素因数の和:10653

約数の個数: 72

約数和(自身を含む): 69634656

約数和(自身を除く): 48593196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10627, 21254, 31881, 42508, 53135, 63762, 95643, 106270, 116897, 127524, 159405, 191286, 212540, 233794, 318810, 350691, 382572, 467588, 478215, 584485, 637620, 701382, 956430, 1052073, 1168970, 1402764, 1753455, 1912860, 2104146, 2337940, 3506910, 4208292, 5260365, 7013820, 10520730, 21041460]

約数ペア:

[(1, 21041460), (2, 10520730), (3, 7013820), (4, 5260365), (5, 4208292), (6, 3506910), (9, 2337940), (10, 2104146), (11, 1912860), (12, 1753455), (15, 1402764), (18, 1168970), (20, 1052073), (22, 956430), (30, 701382), (33, 637620), (36, 584485), (44, 478215), (45, 467588), (55, 382572), (60, 350691), (66, 318810), (90, 233794), (99, 212540), (110, 191286), (132, 159405), (165, 127524), (180, 116897), (198, 106270), (220, 95643), (330, 63762), (396, 53135), (495, 42508), (660, 31881), (990, 21254), (1980, 10627)]