2142105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 4091904

約数和(自身を除く): 1949799

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 887, 2415, 2661, 4435, 6209, 13305, 18627, 20401, 31045, 61203, 93135, 102005, 142807, 306015, 428421, 714035, 2142105]

約数ペア:

[(1, 2142105), (3, 714035), (5, 428421), (7, 306015), (15, 142807), (21, 102005), (23, 93135), (35, 61203), (69, 31045), (105, 20401), (115, 18627), (161, 13305), (345, 6209), (483, 4435), (805, 2661), (887, 2415)]