21082050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4259}}^1$

素因数の和:4288

約数の個数: 72

約数和(自身を含む): 61804080

約数和(自身を除く): 40722030

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 90, 99, 110, 150, 165, 198, 225, 275, 330, 450, 495, 550, 825, 990, 1650, 2475, 4259, 4950, 8518, 12777, 21295, 25554, 38331, 42590, 46849, 63885, 76662, 93698, 106475, 127770, 140547, 191655, 212950, 234245, 281094, 319425, 383310, 421641, 468490, 638850, 702735, 843282, 958275, 1171225, 1405470, 1916550, 2108205, 2342450, 3513675, 4216410, 7027350, 10541025, 21082050]

約数ペア:

[(1, 21082050), (2, 10541025), (3, 7027350), (5, 4216410), (6, 3513675), (9, 2342450), (10, 2108205), (11, 1916550), (15, 1405470), (18, 1171225), (22, 958275), (25, 843282), (30, 702735), (33, 638850), (45, 468490), (50, 421641), (55, 383310), (66, 319425), (75, 281094), (90, 234245), (99, 212950), (110, 191655), (150, 140547), (165, 127770), (198, 106475), (225, 93698), (275, 76662), (330, 63885), (450, 46849), (495, 42590), (550, 38331), (825, 25554), (990, 21295), (1650, 12777), (2475, 8518), (4259, 4950)]