21474915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18593}}^1$

素因数の和:18619

約数の個数: 32

約数和(自身を含む): 42840576

約数和(自身を除く): 21365661

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 18593, 55779, 92965, 130151, 204523, 278895, 390453, 613569, 650755, 1022615, 1431661, 1952265, 3067845, 4294983, 7158305, 21474915]

約数ペア:

[(1, 21474915), (3, 7158305), (5, 4294983), (7, 3067845), (11, 1952265), (15, 1431661), (21, 1022615), (33, 650755), (35, 613569), (55, 390453), (77, 278895), (105, 204523), (165, 130151), (231, 92965), (385, 55779), (1155, 18593)]