21710055

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 36013824

約数和(自身を除く): 14303769

約数列:

[1, 3, 5, 15, 43, 97, 129, 215, 291, 347, 485, 645, 1041, 1455, 1735, 4171, 5205, 12513, 14921, 20855, 33659, 44763, 62565, 74605, 100977, 168295, 223815, 504885, 1447337, 4342011, 7236685, 21710055]

約数ペア:

[(1, 21710055), (3, 7236685), (5, 4342011), (15, 1447337), (43, 504885), (97, 223815), (129, 168295), (215, 100977), (291, 74605), (347, 62565), (485, 44763), (645, 33659), (1041, 20855), (1455, 14921), (1735, 12513), (4171, 5205)]