21010605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18191}}^1$

素因数の和:18217

約数の個数: 32

約数和(自身を含む): 41914368

約数和(自身を除く): 20903763

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 18191, 54573, 90955, 127337, 200101, 272865, 382011, 600303, 636685, 1000505, 1400707, 1910055, 3001515, 4202121, 7003535, 21010605]

約数ペア:

[(1, 21010605), (3, 7003535), (5, 4202121), (7, 3001515), (11, 1910055), (15, 1400707), (21, 1000505), (33, 636685), (35, 600303), (55, 382011), (77, 272865), (105, 200101), (165, 127337), (231, 90955), (385, 54573), (1155, 18191)]