21134451

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 11379597

約数列:

[1, 3, 13, 17, 39, 51, 127, 221, 251, 381, 663, 753, 1651, 2159, 3263, 4267, 4953, 6477, 9789, 12801, 28067, 31877, 55471, 84201, 95631, 166413, 414401, 541909, 1243203, 1625727, 7044817, 21134451]

約数ペア:

[(1, 21134451), (3, 7044817), (13, 1625727), (17, 1243203), (39, 541909), (51, 414401), (127, 166413), (221, 95631), (251, 84201), (381, 55471), (663, 31877), (753, 28067), (1651, 12801), (2159, 9789), (3263, 6477), (4267, 4953)]