21094425

素因数分解:

$3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{947}}^1$

素因数の和:980

約数の個数: 60

約数和(自身を含む): 42671376

約数和(自身を除く): 21576951

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 135, 165, 225, 275, 297, 405, 495, 675, 825, 891, 947, 1485, 2025, 2475, 2841, 4455, 4735, 7425, 8523, 10417, 14205, 22275, 23675, 25569, 31251, 42615, 52085, 71025, 76707, 93753, 127845, 156255, 213075, 260425, 281259, 383535, 468765, 639225, 781275, 843777, 1406295, 1917675, 2343825, 4218885, 7031475, 21094425]

約数ペア:

[(1, 21094425), (3, 7031475), (5, 4218885), (9, 2343825), (11, 1917675), (15, 1406295), (25, 843777), (27, 781275), (33, 639225), (45, 468765), (55, 383535), (75, 281259), (81, 260425), (99, 213075), (135, 156255), (165, 127845), (225, 93753), (275, 76707), (297, 71025), (405, 52085), (495, 42615), (675, 31251), (825, 25569), (891, 23675), (947, 22275), (1485, 14205), (2025, 10417), (2475, 8523), (2841, 7425), (4455, 4735)]