21103640499

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{35977}}^1$

素因数の和:36291

約数の個数: 32

約数和(自身を含む): 30463292160

約数和(自身を除く): 9359651661

約数列:

[1, 3, 19, 41, 57, 123, 251, 753, 779, 2337, 4769, 10291, 14307, 30873, 35977, 107931, 195529, 586587, 683563, 1475057, 2050689, 4425171, 9030227, 27090681, 28026083, 84078249, 171574313, 370239307, 514722939, 1110717921, 7034546833, 21103640499]

約数ペア:

[(1, 21103640499), (3, 7034546833), (19, 1110717921), (41, 514722939), (57, 370239307), (123, 171574313), (251, 84078249), (753, 28026083), (779, 27090681), (2337, 9030227), (4769, 4425171), (10291, 2050689), (14307, 1475057), (30873, 683563), (35977, 586587), (107931, 195529)]