21119340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2909}}^1$

素因数の和:2943

約数の個数: 72

約数和(自身を含む): 65021040

約数和(自身を除く): 43901700

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 2909, 3630, 5818, 7260, 8727, 11636, 14545, 17454, 29090, 31999, 34908, 43635, 58180, 63998, 87270, 95997, 127996, 159995, 174540, 191994, 319990, 351989, 383988, 479985, 639980, 703978, 959970, 1055967, 1407956, 1759945, 1919940, 2111934, 3519890, 4223868, 5279835, 7039780, 10559670, 21119340]

約数ペア:

[(1, 21119340), (2, 10559670), (3, 7039780), (4, 5279835), (5, 4223868), (6, 3519890), (10, 2111934), (11, 1919940), (12, 1759945), (15, 1407956), (20, 1055967), (22, 959970), (30, 703978), (33, 639980), (44, 479985), (55, 383988), (60, 351989), (66, 319990), (110, 191994), (121, 174540), (132, 159995), (165, 127996), (220, 95997), (242, 87270), (330, 63998), (363, 58180), (484, 43635), (605, 34908), (660, 31999), (726, 29090), (1210, 17454), (1452, 14545), (1815, 11636), (2420, 8727), (2909, 7260), (3630, 5818)]