21582105

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 35592960

約数和(自身を除く): 14010855

約数列:

[1, 3, 5, 15, 61, 103, 183, 229, 305, 309, 515, 687, 915, 1145, 1545, 3435, 6283, 13969, 18849, 23587, 31415, 41907, 69845, 70761, 94245, 117935, 209535, 353805, 1438807, 4316421, 7194035, 21582105]

約数ペア:

[(1, 21582105), (3, 7194035), (5, 4316421), (15, 1438807), (61, 353805), (103, 209535), (183, 117935), (229, 94245), (305, 70761), (309, 69845), (515, 41907), (687, 31415), (915, 23587), (1145, 18849), (1545, 13969), (3435, 6283)]